diff --git a/docs/js/demo.bundle.js b/docs/js/demo.bundle.js
index 505d510..b287d2d 100644
--- a/docs/js/demo.bundle.js
+++ b/docs/js/demo.bundle.js
@@ -618,7 +618,6 @@
       _this.options = Object.assign({}, Handorgel.defaultOptions, options);
       _this._listeners = {};
       _this._bindEvents();
-      _this._initAria();
       _this.update();
       return _this;
     }
@@ -684,7 +683,6 @@
           fold.destroy();
         });
         this._unbindEvents();
-        this._cleanAria();
 
         // clean reference to handorgel instance
         this.element.handorgel = null;
@@ -702,21 +700,6 @@
           }
         });
       }
-    }, {
-      key: "_initAria",
-      value: function _initAria() {
-        if (!this.options.ariaEnabled) {
-          return;
-        }
-        if (this.options.multiSelectable) {
-          this.element.setAttribute('aria-multiselectable', 'true');
-        }
-      }
-    }, {
-      key: "_cleanAria",
-      value: function _cleanAria() {
-        this.element.removeAttribute('aria-multiselectable');
-      }
     }, {
       key: "_bindEvents",
       value: function _bindEvents() {
diff --git a/lib/js/esm/handorgel.js b/lib/js/esm/handorgel.js
index 051c8e0..01b57dd 100644
--- a/lib/js/esm/handorgel.js
+++ b/lib/js/esm/handorgel.js
@@ -616,7 +616,6 @@ var Handorgel = /*#__PURE__*/function (_EventEmitter) {
     _this.options = Object.assign({}, Handorgel.defaultOptions, options);
     _this._listeners = {};
     _this._bindEvents();
-    _this._initAria();
     _this.update();
     return _this;
   }
@@ -682,7 +681,6 @@ var Handorgel = /*#__PURE__*/function (_EventEmitter) {
         fold.destroy();
       });
       this._unbindEvents();
-      this._cleanAria();
 
       // clean reference to handorgel instance
       this.element.handorgel = null;
@@ -700,21 +698,6 @@ var Handorgel = /*#__PURE__*/function (_EventEmitter) {
         }
       });
     }
-  }, {
-    key: "_initAria",
-    value: function _initAria() {
-      if (!this.options.ariaEnabled) {
-        return;
-      }
-      if (this.options.multiSelectable) {
-        this.element.setAttribute('aria-multiselectable', 'true');
-      }
-    }
-  }, {
-    key: "_cleanAria",
-    value: function _cleanAria() {
-      this.element.removeAttribute('aria-multiselectable');
-    }
   }, {
     key: "_bindEvents",
     value: function _bindEvents() {
diff --git a/lib/js/esm/handorgel.min.js b/lib/js/esm/handorgel.min.js
index 341dc82..06c66cf 100644
--- a/lib/js/esm/handorgel.min.js
+++ b/lib/js/esm/handorgel.min.js
@@ -1,2 +1,2 @@
 /** handorgel v1.0.0, @license MIT */
-function t(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function e(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,(s=i.key,void 0,"symbol"==typeof(o=function(t,e){if("object"!=typeof t||null===t)return t;var n=t[Symbol.toPrimitive];if(void 0!==n){var i=n.call(t,e||"default");if("object"!=typeof i)return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===e?String:Number)(t)}(s,"string"))?o:String(o)),i)}var s,o}function n(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),Object.defineProperty(t,"prototype",{writable:!1}),t}function i(t){return(i=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function s(t,e){return(s=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}function o(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function a(t,e){if(e&&("object"==typeof e||"function"==typeof e))return e;if(void 0!==e)throw new TypeError("Derived constructors may only return object or undefined");return o(t)}function r(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){})),!0}catch(t){return!1}}();return function(){var n,s=i(t);if(e){var o=i(this).constructor;n=Reflect.construct(s,arguments,o)}else n=s.apply(this,arguments);return a(this,n)}}var l="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};var h,d=(function(t){var e,n;e="undefined"!=typeof window?window:l,n=function(){function t(){}var e=t.prototype;return e.on=function(t,e){if(t&&e){var n=this._events=this._events||{},i=n[t]=n[t]||[];return-1==i.indexOf(e)&&i.push(e),this}},e.once=function(t,e){if(t&&e){this.on(t,e);var n=this._onceEvents=this._onceEvents||{};return(n[t]=n[t]||{})[e]=!0,this}},e.off=function(t,e){var n=this._events&&this._events[t];if(n&&n.length){var i=n.indexOf(e);return-1!=i&&n.splice(i,1),this}},e.emitEvent=function(t,e){var n=this._events&&this._events[t];if(n&&n.length){n=n.slice(0),e=e||[];for(var i=this._onceEvents&&this._onceEvents[t],s=0;s<n.length;s++){var o=n[s];i&&i[o]&&(this.off(t,o),delete i[o]),o.apply(this,e)}return this}},e.allOff=function(){delete this._events,delete this._onceEvents},t},t.exports?t.exports=n():e.EvEmitter=n()}(h={exports:{}},h.exports),h.exports),c={},u={button:{"aria-controls":function(){return this.id+"-content"},"aria-expanded":function(){return this.expanded?"true":"false"},"aria-disabled":function(){return this.disabled?"true":"false"}},content:{role:function(){return"region"},"aria-labelledby":function(){return this.id+"-header"}}},f=40,p=38,v=33,b=34,g=35,y=36,_=function(){function e(n,i,s){t(this,e),i.handorgelFold||(this.handorgel=n,this.header=i,this.button=i.firstElementChild,this.content=s,this.header.handorgelFold=this,this.content.handorgelFold=this,c[this.handorgel.id]||(c[this.handorgel.id]=0),this.id="".concat(this.handorgel.id,"-fold").concat(++c[this.handorgel.id]),this.header.setAttribute("id",this.id+"-header"),this.content.setAttribute("id",this.id+"-content"),this.focused=!1,this.expanded=!1,this.disabled=!1,this._listeners={},this._bindEvents(),this._initAria(),this._initialOpen(),this._initialFocus())}return n(e,[{key:"open",value:function(){var t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(!this.expanded)if(this.handorgel.emitEvent("fold:open",[this]),this.expanded=!0,this.handorgel.options.collapsible||this.disable(),this._updateAria("button","aria-expanded"),this.header.classList.add(this.handorgel.options.headerOpenClass),this.content.classList.add(this.handorgel.options.contentOpenClass),t){var e=this.content.firstElementChild.offsetHeight;this.content.style.height="".concat(e,"px")}else this._opened()}},{key:"close",value:function(){var t=this,e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(this.expanded)if(this.handorgel.emitEvent("fold:close",[this]),this.expanded=!1,this.handorgel.options.collapsible||this.enable(),this._updateAria("button","aria-expanded"),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),e){var n=this.content.firstElementChild.offsetHeight;this.content.style.height="".concat(n,"px"),window.requestAnimationFrame(function(){window.requestAnimationFrame(function(){t.content.style.height="0px"})})}else this._closed()}},{key:"disable",value:function(){this.disabled=!0,this._updateAria("button","aria-disabled"),this.header.classList.add(this.handorgel.options.headerDisabledClass),this.content.classList.add(this.handorgel.options.contentDisabledClass)}},{key:"enable",value:function(){this.disabled=!1,this._updateAria("button","aria-disabled"),this.header.classList.remove(this.handorgel.options.headerDisabledClass),this.content.classList.remove(this.handorgel.options.contentDisabledClass)}},{key:"focus",value:function(){this.button.focus()}},{key:"blur",value:function(){this.button.blur()}},{key:"toggle",value:function(){var t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this.expanded?this.close(t):this.open(t)}},{key:"destroy",value:function(){this._unbindEvents(),this._cleanAria(),this.header.classList.remove(this.handorgel.options.headerOpenClass),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.content.style.height="0px",this.header.handorgelFold=null,this.content.handorgelFold=null,this.header.removeAttribute("id"),this.content.removeAttribute("id"),this.handorgel=null}},{key:"_opened",value:function(){this.content.style.height="auto",this.header.classList.add(this.handorgel.options.headerOpenedClass),this.content.classList.add(this.handorgel.options.contentOpenedClass),this.handorgel.emitEvent("fold:opened",[this])}},{key:"_closed",value:function(){this.header.classList.remove(this.handorgel.options.headerOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.handorgel.emitEvent("fold:closed",[this])}},{key:"_initialOpen",value:function(){var t=this;null===this.header.getAttribute(this.handorgel.options.initialOpenAttribute)&&null===this.content.getAttribute(this.handorgel.options.initialOpenAttribute)||(this.handorgel.options.initialOpenTransition?window.setTimeout(function(){t.open()},this.handorgel.options.initialOpenTransitionDelay):this.open(!1))}},{key:"_initialFocus",value:function(){null!==this.button.getAttribute("autofocus")&&this._handleFocus()}},{key:"_initAria",value:function(){this._updateAria("button"),this._updateAria("content")}},{key:"_cleanAria",value:function(){this._updateAria("button",null,!0),this._updateAria("content",null,!0)}},{key:"_updateAria",value:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,n=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(this.handorgel.options.ariaEnabled)if(e){var i=u[t][e].call(this);this[t].setAttribute(e,i)}else for(var s in u[t])if(u[t].hasOwnProperty(s))if(n)this[t].removeAttribute(s);else{var o=u[t][s].call(this);this[t].setAttribute(s,o)}}},{key:"_handleContentTransitionEnd",value:function(t){t.target===t.currentTarget&&"height"===t.propertyName&&(this.expanded?this._opened():this._closed())}},{key:"_handleFocus",value:function(){this.focused=!0,this.header.classList.add(this.handorgel.options.headerFocusClass),this.content.classList.add(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:focus",[this])}},{key:"_handleBlur",value:function(){this.focused=!1,this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:blur",[this])}},{key:"_handleButtonClick",value:function(t){this.focus(),this.disabled||this.toggle()}},{key:"_handleButtonKeydown",value:function(t){if(this.handorgel.options.keyboardInteraction){var e=null;switch(t.which){case f:e="next";break;case p:e="prev";break;case y:e="first";break;case g:e="last";break;case b:t.ctrlKey&&(e="next");break;case v:t.ctrlKey&&(e="prev")}e&&(t.preventDefault(),this.handorgel.focus(e))}}},{key:"_handleContentKeydown",value:function(t){if(this.handorgel.options.keyboardInteraction&&t.ctrlKey){var e=null;switch(t.which){case b:e="next";break;case v:e="prev"}e&&(t.preventDefault(),this.handorgel.focus(e))}}},{key:"_bindEvents",value:function(){for(var t in this._listeners={bFocus:["focus",this.button,this._handleFocus.bind(this)],bBlur:["blur",this.button,this._handleBlur.bind(this)],bClick:["click",this.button,this._handleButtonClick.bind(this)],bKeydown:["keydown",this.button,this._handleButtonKeydown.bind(this)],cKeydown:["keydown",this.content,this._handleContentKeydown.bind(this)],cTransition:["transitionend",this.content,this._handleContentTransitionEnd.bind(this)]},this._listeners)if(this._listeners.hasOwnProperty(t)){var e=this._listeners[t];e[1].addEventListener(e[0],e[2])}}},{key:"_unbindEvents",value:function(){for(var t in this._listeners)if(this._listeners.hasOwnProperty(t)){var e=this._listeners[t];e[1].removeEventListener(e[0],e[2])}}}]),e}(),m=0,O=function(e){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),Object.defineProperty(t,"prototype",{writable:!1}),e&&s(t,e)}(l,d);var i=r(l);function l(e){var n,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return t(this,l),n=i.call(this),e.handorgel?a(n):(n.element=e,n.element.handorgel=o(n),n.id="handorgel".concat(++m),n.element.setAttribute("id",n.id),n.folds=[],n.options=Object.assign({},l.defaultOptions,s),n._listeners={},n._bindEvents(),n._initAria(),n.update(),n)}return n(l,[{key:"update",value:function(){this.folds=[];for(var t="string"==typeof this.options.headerElements?this.element.querySelectorAll(this.options.headerElements):this.options.headerElements,e="string"==typeof this.options.contentElements?this.element.querySelectorAll(this.options.contentElements):this.options.contentElements,n=0;n<t.length;n+=1){var i=t[n].handorgelFold;!i&&t[n]&&e[n]&&(i=new _(this,t[n],e[n])),i&&this.folds.push(i)}}},{key:"focus",value:function(t){for(var e=this.folds.length,n=null,i=0;i<e&&null===n;i++)this.folds[i].focused&&(n=i);if("prev"!==t&&"next"!==t||null!==n||(t="prev"===t?"last":"first"),"prev"===t&&0===n){if(!this.options.carouselFocus)return;t="last"}if("next"===t&&n===e-1){if(!this.options.carouselFocus)return;t="first"}switch(t){case"prev":this.folds[--n].focus();break;case"next":this.folds[++n].focus();break;case"last":this.folds[e-1].focus();break;case"first":default:this.folds[0].focus()}}},{key:"destroy",value:function(){this.emitEvent("destroy"),this.element.removeAttribute("id"),this.folds.forEach(function(t){t.destroy()}),this._unbindEvents(),this._cleanAria(),this.element.handorgel=null,this.emitEvent("destroyed")}},{key:"_handleFoldOpen",value:function(t){this.options.multiSelectable||this.folds.forEach(function(e){t!==e&&e.close()})}},{key:"_initAria",value:function(){this.options.ariaEnabled&&this.options.multiSelectable&&this.element.setAttribute("aria-multiselectable","true")}},{key:"_cleanAria",value:function(){this.element.removeAttribute("aria-multiselectable")}},{key:"_bindEvents",value:function(){this._listeners.foldOpen=this._handleFoldOpen.bind(this),this.on("fold:open",this._listeners.foldOpen)}},{key:"_unbindEvents",value:function(){this.off("fold:open",this._listeners.foldOpen)}}]),l}();O.defaultOptions={keyboardInteraction:!0,multiSelectable:!0,ariaEnabled:!0,collapsible:!0,carouselFocus:!0,initialOpenAttribute:"data-open",initialOpenTransition:!0,initialOpenTransitionDelay:200,headerElements:".handorgel__header",contentElements:".handorgel__content",headerOpenClass:"handorgel__header--open",contentOpenClass:"handorgel__content--open",headerOpenedClass:"handorgel__header--opened",contentOpenedClass:"handorgel__content--opened",headerDisabledClass:"handorgel__header--disabled",contentDisabledClass:"handorgel__content--disabled",headerFocusClass:"handorgel__header--focus",contentFocusClass:"handorgel__content--focus"};export default O;
\ No newline at end of file
+function t(t,e){if(!(t instanceof e))throw new TypeError("Cannot call a class as a function")}function e(t,e){for(var n=0;n<e.length;n++){var i=e[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(t,(s=i.key,void 0,"symbol"==typeof(o=function(t,e){if("object"!=typeof t||null===t)return t;var n=t[Symbol.toPrimitive];if(void 0!==n){var i=n.call(t,e||"default");if("object"!=typeof i)return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===e?String:Number)(t)}(s,"string"))?o:String(o)),i)}var s,o}function n(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),Object.defineProperty(t,"prototype",{writable:!1}),t}function i(t){return(i=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(t){return t.__proto__||Object.getPrototypeOf(t)})(t)}function s(t,e){return(s=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(t,e){return t.__proto__=e,t})(t,e)}function o(t){if(void 0===t)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return t}function a(t,e){if(e&&("object"==typeof e||"function"==typeof e))return e;if(void 0!==e)throw new TypeError("Derived constructors may only return object or undefined");return o(t)}function r(t){var e=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){})),!0}catch(t){return!1}}();return function(){var n,s=i(t);if(e){var o=i(this).constructor;n=Reflect.construct(s,arguments,o)}else n=s.apply(this,arguments);return a(this,n)}}var l="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};var h,d=(function(t){var e,n;e="undefined"!=typeof window?window:l,n=function(){function t(){}var e=t.prototype;return e.on=function(t,e){if(t&&e){var n=this._events=this._events||{},i=n[t]=n[t]||[];return-1==i.indexOf(e)&&i.push(e),this}},e.once=function(t,e){if(t&&e){this.on(t,e);var n=this._onceEvents=this._onceEvents||{};return(n[t]=n[t]||{})[e]=!0,this}},e.off=function(t,e){var n=this._events&&this._events[t];if(n&&n.length){var i=n.indexOf(e);return-1!=i&&n.splice(i,1),this}},e.emitEvent=function(t,e){var n=this._events&&this._events[t];if(n&&n.length){n=n.slice(0),e=e||[];for(var i=this._onceEvents&&this._onceEvents[t],s=0;s<n.length;s++){var o=n[s];i&&i[o]&&(this.off(t,o),delete i[o]),o.apply(this,e)}return this}},e.allOff=function(){delete this._events,delete this._onceEvents},t},t.exports?t.exports=n():e.EvEmitter=n()}(h={exports:{}},h.exports),h.exports),c={},u={button:{"aria-controls":function(){return this.id+"-content"},"aria-expanded":function(){return this.expanded?"true":"false"},"aria-disabled":function(){return this.disabled?"true":"false"}},content:{role:function(){return"region"},"aria-labelledby":function(){return this.id+"-header"}}},f=40,p=38,v=33,b=34,g=35,y=36,_=function(){function e(n,i,s){t(this,e),i.handorgelFold||(this.handorgel=n,this.header=i,this.button=i.firstElementChild,this.content=s,this.header.handorgelFold=this,this.content.handorgelFold=this,c[this.handorgel.id]||(c[this.handorgel.id]=0),this.id="".concat(this.handorgel.id,"-fold").concat(++c[this.handorgel.id]),this.header.setAttribute("id",this.id+"-header"),this.content.setAttribute("id",this.id+"-content"),this.focused=!1,this.expanded=!1,this.disabled=!1,this._listeners={},this._bindEvents(),this._initAria(),this._initialOpen(),this._initialFocus())}return n(e,[{key:"open",value:function(){var t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(!this.expanded)if(this.handorgel.emitEvent("fold:open",[this]),this.expanded=!0,this.handorgel.options.collapsible||this.disable(),this._updateAria("button","aria-expanded"),this.header.classList.add(this.handorgel.options.headerOpenClass),this.content.classList.add(this.handorgel.options.contentOpenClass),t){var e=this.content.firstElementChild.offsetHeight;this.content.style.height="".concat(e,"px")}else this._opened()}},{key:"close",value:function(){var t=this,e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(this.expanded)if(this.handorgel.emitEvent("fold:close",[this]),this.expanded=!1,this.handorgel.options.collapsible||this.enable(),this._updateAria("button","aria-expanded"),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),e){var n=this.content.firstElementChild.offsetHeight;this.content.style.height="".concat(n,"px"),window.requestAnimationFrame(function(){window.requestAnimationFrame(function(){t.content.style.height="0px"})})}else this._closed()}},{key:"disable",value:function(){this.disabled=!0,this._updateAria("button","aria-disabled"),this.header.classList.add(this.handorgel.options.headerDisabledClass),this.content.classList.add(this.handorgel.options.contentDisabledClass)}},{key:"enable",value:function(){this.disabled=!1,this._updateAria("button","aria-disabled"),this.header.classList.remove(this.handorgel.options.headerDisabledClass),this.content.classList.remove(this.handorgel.options.contentDisabledClass)}},{key:"focus",value:function(){this.button.focus()}},{key:"blur",value:function(){this.button.blur()}},{key:"toggle",value:function(){var t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this.expanded?this.close(t):this.open(t)}},{key:"destroy",value:function(){this._unbindEvents(),this._cleanAria(),this.header.classList.remove(this.handorgel.options.headerOpenClass),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.content.style.height="0px",this.header.handorgelFold=null,this.content.handorgelFold=null,this.header.removeAttribute("id"),this.content.removeAttribute("id"),this.handorgel=null}},{key:"_opened",value:function(){this.content.style.height="auto",this.header.classList.add(this.handorgel.options.headerOpenedClass),this.content.classList.add(this.handorgel.options.contentOpenedClass),this.handorgel.emitEvent("fold:opened",[this])}},{key:"_closed",value:function(){this.header.classList.remove(this.handorgel.options.headerOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.handorgel.emitEvent("fold:closed",[this])}},{key:"_initialOpen",value:function(){var t=this;null===this.header.getAttribute(this.handorgel.options.initialOpenAttribute)&&null===this.content.getAttribute(this.handorgel.options.initialOpenAttribute)||(this.handorgel.options.initialOpenTransition?window.setTimeout(function(){t.open()},this.handorgel.options.initialOpenTransitionDelay):this.open(!1))}},{key:"_initialFocus",value:function(){null!==this.button.getAttribute("autofocus")&&this._handleFocus()}},{key:"_initAria",value:function(){this._updateAria("button"),this._updateAria("content")}},{key:"_cleanAria",value:function(){this._updateAria("button",null,!0),this._updateAria("content",null,!0)}},{key:"_updateAria",value:function(t){var e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,n=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(this.handorgel.options.ariaEnabled)if(e){var i=u[t][e].call(this);this[t].setAttribute(e,i)}else for(var s in u[t])if(u[t].hasOwnProperty(s))if(n)this[t].removeAttribute(s);else{var o=u[t][s].call(this);this[t].setAttribute(s,o)}}},{key:"_handleContentTransitionEnd",value:function(t){t.target===t.currentTarget&&"height"===t.propertyName&&(this.expanded?this._opened():this._closed())}},{key:"_handleFocus",value:function(){this.focused=!0,this.header.classList.add(this.handorgel.options.headerFocusClass),this.content.classList.add(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:focus",[this])}},{key:"_handleBlur",value:function(){this.focused=!1,this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:blur",[this])}},{key:"_handleButtonClick",value:function(t){this.focus(),this.disabled||this.toggle()}},{key:"_handleButtonKeydown",value:function(t){if(this.handorgel.options.keyboardInteraction){var e=null;switch(t.which){case f:e="next";break;case p:e="prev";break;case y:e="first";break;case g:e="last";break;case b:t.ctrlKey&&(e="next");break;case v:t.ctrlKey&&(e="prev")}e&&(t.preventDefault(),this.handorgel.focus(e))}}},{key:"_handleContentKeydown",value:function(t){if(this.handorgel.options.keyboardInteraction&&t.ctrlKey){var e=null;switch(t.which){case b:e="next";break;case v:e="prev"}e&&(t.preventDefault(),this.handorgel.focus(e))}}},{key:"_bindEvents",value:function(){for(var t in this._listeners={bFocus:["focus",this.button,this._handleFocus.bind(this)],bBlur:["blur",this.button,this._handleBlur.bind(this)],bClick:["click",this.button,this._handleButtonClick.bind(this)],bKeydown:["keydown",this.button,this._handleButtonKeydown.bind(this)],cKeydown:["keydown",this.content,this._handleContentKeydown.bind(this)],cTransition:["transitionend",this.content,this._handleContentTransitionEnd.bind(this)]},this._listeners)if(this._listeners.hasOwnProperty(t)){var e=this._listeners[t];e[1].addEventListener(e[0],e[2])}}},{key:"_unbindEvents",value:function(){for(var t in this._listeners)if(this._listeners.hasOwnProperty(t)){var e=this._listeners[t];e[1].removeEventListener(e[0],e[2])}}}]),e}(),m=0,O=function(e){!function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Super expression must either be null or a function");t.prototype=Object.create(e&&e.prototype,{constructor:{value:t,writable:!0,configurable:!0}}),Object.defineProperty(t,"prototype",{writable:!1}),e&&s(t,e)}(l,d);var i=r(l);function l(e){var n,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return t(this,l),n=i.call(this),e.handorgel?a(n):(n.element=e,n.element.handorgel=o(n),n.id="handorgel".concat(++m),n.element.setAttribute("id",n.id),n.folds=[],n.options=Object.assign({},l.defaultOptions,s),n._listeners={},n._bindEvents(),n.update(),n)}return n(l,[{key:"update",value:function(){this.folds=[];for(var t="string"==typeof this.options.headerElements?this.element.querySelectorAll(this.options.headerElements):this.options.headerElements,e="string"==typeof this.options.contentElements?this.element.querySelectorAll(this.options.contentElements):this.options.contentElements,n=0;n<t.length;n+=1){var i=t[n].handorgelFold;!i&&t[n]&&e[n]&&(i=new _(this,t[n],e[n])),i&&this.folds.push(i)}}},{key:"focus",value:function(t){for(var e=this.folds.length,n=null,i=0;i<e&&null===n;i++)this.folds[i].focused&&(n=i);if("prev"!==t&&"next"!==t||null!==n||(t="prev"===t?"last":"first"),"prev"===t&&0===n){if(!this.options.carouselFocus)return;t="last"}if("next"===t&&n===e-1){if(!this.options.carouselFocus)return;t="first"}switch(t){case"prev":this.folds[--n].focus();break;case"next":this.folds[++n].focus();break;case"last":this.folds[e-1].focus();break;case"first":default:this.folds[0].focus()}}},{key:"destroy",value:function(){this.emitEvent("destroy"),this.element.removeAttribute("id"),this.folds.forEach(function(t){t.destroy()}),this._unbindEvents(),this.element.handorgel=null,this.emitEvent("destroyed")}},{key:"_handleFoldOpen",value:function(t){this.options.multiSelectable||this.folds.forEach(function(e){t!==e&&e.close()})}},{key:"_bindEvents",value:function(){this._listeners.foldOpen=this._handleFoldOpen.bind(this),this.on("fold:open",this._listeners.foldOpen)}},{key:"_unbindEvents",value:function(){this.off("fold:open",this._listeners.foldOpen)}}]),l}();O.defaultOptions={keyboardInteraction:!0,multiSelectable:!0,ariaEnabled:!0,collapsible:!0,carouselFocus:!0,initialOpenAttribute:"data-open",initialOpenTransition:!0,initialOpenTransitionDelay:200,headerElements:".handorgel__header",contentElements:".handorgel__content",headerOpenClass:"handorgel__header--open",contentOpenClass:"handorgel__content--open",headerOpenedClass:"handorgel__header--opened",contentOpenedClass:"handorgel__content--opened",headerDisabledClass:"handorgel__header--disabled",contentDisabledClass:"handorgel__content--disabled",headerFocusClass:"handorgel__header--focus",contentFocusClass:"handorgel__content--focus"};export default O;
\ No newline at end of file
diff --git a/lib/js/handorgel.js b/lib/js/handorgel.js
index 742a5b9..cd3b543 100644
--- a/lib/js/handorgel.js
+++ b/lib/js/handorgel.js
@@ -450,7 +450,6 @@ class Handorgel extends evEmitter {
     this.options = Object.assign({}, Handorgel.defaultOptions, options);
     this._listeners = {};
     this._bindEvents();
-    this._initAria();
     this.update();
   }
   update() {
@@ -509,7 +508,6 @@ class Handorgel extends evEmitter {
       fold.destroy();
     });
     this._unbindEvents();
-    this._cleanAria();
 
     // clean reference to handorgel instance
     this.element.handorgel = null;
@@ -525,17 +523,6 @@ class Handorgel extends evEmitter {
       }
     });
   }
-  _initAria() {
-    if (!this.options.ariaEnabled) {
-      return;
-    }
-    if (this.options.multiSelectable) {
-      this.element.setAttribute('aria-multiselectable', 'true');
-    }
-  }
-  _cleanAria() {
-    this.element.removeAttribute('aria-multiselectable');
-  }
   _bindEvents() {
     this._listeners.foldOpen = this._handleFoldOpen.bind(this);
     this.on('fold:open', this._listeners.foldOpen);
diff --git a/lib/js/handorgel.min.js b/lib/js/handorgel.min.js
index 132415a..ef172e4 100644
--- a/lib/js/handorgel.min.js
+++ b/lib/js/handorgel.min.js
@@ -1,2 +1,2 @@
 /** handorgel v1.0.0, @license MIT */
-var t="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};var e,s=(function(e){var s,i;s="undefined"!=typeof window?window:t,i=function(){function t(){}var e=t.prototype;return e.on=function(t,e){if(t&&e){var s=this._events=this._events||{},i=s[t]=s[t]||[];return-1==i.indexOf(e)&&i.push(e),this}},e.once=function(t,e){if(t&&e){this.on(t,e);var s=this._onceEvents=this._onceEvents||{};return(s[t]=s[t]||{})[e]=!0,this}},e.off=function(t,e){var s=this._events&&this._events[t];if(s&&s.length){var i=s.indexOf(e);return-1!=i&&s.splice(i,1),this}},e.emitEvent=function(t,e){var s=this._events&&this._events[t];if(s&&s.length){s=s.slice(0),e=e||[];for(var i=this._onceEvents&&this._onceEvents[t],n=0;n<s.length;n++){var o=s[n];i&&i[o]&&(this.off(t,o),delete i[o]),o.apply(this,e)}return this}},e.allOff=function(){delete this._events,delete this._onceEvents},t},e.exports?e.exports=i():s.EvEmitter=i()}(e={exports:{}},e.exports),e.exports);let i={};const n={button:{"aria-controls":function(){return this.id+"-content"},"aria-expanded":function(){return this.expanded?"true":"false"},"aria-disabled":function(){return this.disabled?"true":"false"}},content:{role:function(){return"region"},"aria-labelledby":function(){return this.id+"-header"}}},o={arrowDown:40,arrowUp:38,pageUp:33,pageDown:34,end:35,home:36};class h{constructor(t,e,s){e.handorgelFold||(this.handorgel=t,this.header=e,this.button=e.firstElementChild,this.content=s,this.header.handorgelFold=this,this.content.handorgelFold=this,i[this.handorgel.id]||(i[this.handorgel.id]=0),this.id=`${this.handorgel.id}-fold${++i[this.handorgel.id]}`,this.header.setAttribute("id",this.id+"-header"),this.content.setAttribute("id",this.id+"-content"),this.focused=!1,this.expanded=!1,this.disabled=!1,this._listeners={},this._bindEvents(),this._initAria(),this._initialOpen(),this._initialFocus())}open(t=!0){if(!this.expanded)if(this.handorgel.emitEvent("fold:open",[this]),this.expanded=!0,this.handorgel.options.collapsible||this.disable(),this._updateAria("button","aria-expanded"),this.header.classList.add(this.handorgel.options.headerOpenClass),this.content.classList.add(this.handorgel.options.contentOpenClass),t){const t=this.content.firstElementChild.offsetHeight;this.content.style.height=`${t}px`}else this._opened()}close(t=!0){if(this.expanded)if(this.handorgel.emitEvent("fold:close",[this]),this.expanded=!1,this.handorgel.options.collapsible||this.enable(),this._updateAria("button","aria-expanded"),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),t){const t=this.content.firstElementChild.offsetHeight;this.content.style.height=`${t}px`,window.requestAnimationFrame(()=>{window.requestAnimationFrame(()=>{this.content.style.height="0px"})})}else this._closed()}disable(){this.disabled=!0,this._updateAria("button","aria-disabled"),this.header.classList.add(this.handorgel.options.headerDisabledClass),this.content.classList.add(this.handorgel.options.contentDisabledClass)}enable(){this.disabled=!1,this._updateAria("button","aria-disabled"),this.header.classList.remove(this.handorgel.options.headerDisabledClass),this.content.classList.remove(this.handorgel.options.contentDisabledClass)}focus(){this.button.focus()}blur(){this.button.blur()}toggle(t=!0){this.expanded?this.close(t):this.open(t)}destroy(){this._unbindEvents(),this._cleanAria(),this.header.classList.remove(this.handorgel.options.headerOpenClass),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.content.style.height="0px",this.header.handorgelFold=null,this.content.handorgelFold=null,this.header.removeAttribute("id"),this.content.removeAttribute("id"),this.handorgel=null}_opened(){this.content.style.height="auto",this.header.classList.add(this.handorgel.options.headerOpenedClass),this.content.classList.add(this.handorgel.options.contentOpenedClass),this.handorgel.emitEvent("fold:opened",[this])}_closed(){this.header.classList.remove(this.handorgel.options.headerOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.handorgel.emitEvent("fold:closed",[this])}_initialOpen(){null===this.header.getAttribute(this.handorgel.options.initialOpenAttribute)&&null===this.content.getAttribute(this.handorgel.options.initialOpenAttribute)||(this.handorgel.options.initialOpenTransition?window.setTimeout(()=>{this.open()},this.handorgel.options.initialOpenTransitionDelay):this.open(!1))}_initialFocus(){null!==this.button.getAttribute("autofocus")&&this._handleFocus()}_initAria(){this._updateAria("button"),this._updateAria("content")}_cleanAria(){this._updateAria("button",null,!0),this._updateAria("content",null,!0)}_updateAria(t,e=null,s=!1){if(this.handorgel.options.ariaEnabled)if(e){const s=n[t][e].call(this);this[t].setAttribute(e,s)}else for(let e in n[t])if(n[t].hasOwnProperty(e))if(s)this[t].removeAttribute(e);else{const s=n[t][e].call(this);this[t].setAttribute(e,s)}}_handleContentTransitionEnd(t){t.target===t.currentTarget&&"height"===t.propertyName&&(this.expanded?this._opened():this._closed())}_handleFocus(){this.focused=!0,this.header.classList.add(this.handorgel.options.headerFocusClass),this.content.classList.add(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:focus",[this])}_handleBlur(){this.focused=!1,this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:blur",[this])}_handleButtonClick(t){this.focus(),this.disabled||this.toggle()}_handleButtonKeydown(t){if(!this.handorgel.options.keyboardInteraction)return;let e=null;switch(t.which){case o.arrowDown:e="next";break;case o.arrowUp:e="prev";break;case o.home:e="first";break;case o.end:e="last";break;case o.pageDown:t.ctrlKey&&(e="next");break;case o.pageUp:t.ctrlKey&&(e="prev")}e&&(t.preventDefault(),this.handorgel.focus(e))}_handleContentKeydown(t){if(!this.handorgel.options.keyboardInteraction||!t.ctrlKey)return;let e=null;switch(t.which){case o.pageDown:e="next";break;case o.pageUp:e="prev"}e&&(t.preventDefault(),this.handorgel.focus(e))}_bindEvents(){this._listeners={bFocus:["focus",this.button,this._handleFocus.bind(this)],bBlur:["blur",this.button,this._handleBlur.bind(this)],bClick:["click",this.button,this._handleButtonClick.bind(this)],bKeydown:["keydown",this.button,this._handleButtonKeydown.bind(this)],cKeydown:["keydown",this.content,this._handleContentKeydown.bind(this)],cTransition:["transitionend",this.content,this._handleContentTransitionEnd.bind(this)]};for(let t in this._listeners)if(this._listeners.hasOwnProperty(t)){const e=this._listeners[t];e[1].addEventListener(e[0],e[2])}}_unbindEvents(){for(let t in this._listeners)if(this._listeners.hasOwnProperty(t)){const e=this._listeners[t];e[1].removeEventListener(e[0],e[2])}}}let a=0;class l extends s{constructor(t,e={}){super(),t.handorgel||(this.element=t,this.element.handorgel=this,this.id=`handorgel${++a}`,this.element.setAttribute("id",this.id),this.folds=[],this.options=Object.assign({},l.defaultOptions,e),this._listeners={},this._bindEvents(),this._initAria(),this.update())}update(){this.folds=[];const t="string"==typeof this.options.headerElements?this.element.querySelectorAll(this.options.headerElements):this.options.headerElements,e="string"==typeof this.options.contentElements?this.element.querySelectorAll(this.options.contentElements):this.options.contentElements;for(let s=0;s<t.length;s+=1){let i=t[s].handorgelFold;!i&&t[s]&&e[s]&&(i=new h(this,t[s],e[s])),i&&this.folds.push(i)}}focus(t){const e=this.folds.length;let s=null;for(let t=0;t<e&&null===s;t++)this.folds[t].focused&&(s=t);if("prev"!==t&&"next"!==t||null!==s||(t="prev"===t?"last":"first"),"prev"===t&&0===s){if(!this.options.carouselFocus)return;t="last"}if("next"===t&&s===e-1){if(!this.options.carouselFocus)return;t="first"}switch(t){case"prev":this.folds[--s].focus();break;case"next":this.folds[++s].focus();break;case"last":this.folds[e-1].focus();break;case"first":default:this.folds[0].focus()}}destroy(){this.emitEvent("destroy"),this.element.removeAttribute("id"),this.folds.forEach(t=>{t.destroy()}),this._unbindEvents(),this._cleanAria(),this.element.handorgel=null,this.emitEvent("destroyed")}_handleFoldOpen(t){this.options.multiSelectable||this.folds.forEach(e=>{t!==e&&e.close()})}_initAria(){this.options.ariaEnabled&&this.options.multiSelectable&&this.element.setAttribute("aria-multiselectable","true")}_cleanAria(){this.element.removeAttribute("aria-multiselectable")}_bindEvents(){this._listeners.foldOpen=this._handleFoldOpen.bind(this),this.on("fold:open",this._listeners.foldOpen)}_unbindEvents(){this.off("fold:open",this._listeners.foldOpen)}}l.defaultOptions={keyboardInteraction:!0,multiSelectable:!0,ariaEnabled:!0,collapsible:!0,carouselFocus:!0,initialOpenAttribute:"data-open",initialOpenTransition:!0,initialOpenTransitionDelay:200,headerElements:".handorgel__header",contentElements:".handorgel__content",headerOpenClass:"handorgel__header--open",contentOpenClass:"handorgel__content--open",headerOpenedClass:"handorgel__header--opened",contentOpenedClass:"handorgel__content--opened",headerDisabledClass:"handorgel__header--disabled",contentDisabledClass:"handorgel__content--disabled",headerFocusClass:"handorgel__header--focus",contentFocusClass:"handorgel__content--focus"};export default l;
\ No newline at end of file
+var t="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};var e,s=(function(e){var s,n;s="undefined"!=typeof window?window:t,n=function(){function t(){}var e=t.prototype;return e.on=function(t,e){if(t&&e){var s=this._events=this._events||{},n=s[t]=s[t]||[];return-1==n.indexOf(e)&&n.push(e),this}},e.once=function(t,e){if(t&&e){this.on(t,e);var s=this._onceEvents=this._onceEvents||{};return(s[t]=s[t]||{})[e]=!0,this}},e.off=function(t,e){var s=this._events&&this._events[t];if(s&&s.length){var n=s.indexOf(e);return-1!=n&&s.splice(n,1),this}},e.emitEvent=function(t,e){var s=this._events&&this._events[t];if(s&&s.length){s=s.slice(0),e=e||[];for(var n=this._onceEvents&&this._onceEvents[t],i=0;i<s.length;i++){var o=s[i];n&&n[o]&&(this.off(t,o),delete n[o]),o.apply(this,e)}return this}},e.allOff=function(){delete this._events,delete this._onceEvents},t},e.exports?e.exports=n():s.EvEmitter=n()}(e={exports:{}},e.exports),e.exports);let n={};const i={button:{"aria-controls":function(){return this.id+"-content"},"aria-expanded":function(){return this.expanded?"true":"false"},"aria-disabled":function(){return this.disabled?"true":"false"}},content:{role:function(){return"region"},"aria-labelledby":function(){return this.id+"-header"}}},o={arrowDown:40,arrowUp:38,pageUp:33,pageDown:34,end:35,home:36};class h{constructor(t,e,s){e.handorgelFold||(this.handorgel=t,this.header=e,this.button=e.firstElementChild,this.content=s,this.header.handorgelFold=this,this.content.handorgelFold=this,n[this.handorgel.id]||(n[this.handorgel.id]=0),this.id=`${this.handorgel.id}-fold${++n[this.handorgel.id]}`,this.header.setAttribute("id",this.id+"-header"),this.content.setAttribute("id",this.id+"-content"),this.focused=!1,this.expanded=!1,this.disabled=!1,this._listeners={},this._bindEvents(),this._initAria(),this._initialOpen(),this._initialFocus())}open(t=!0){if(!this.expanded)if(this.handorgel.emitEvent("fold:open",[this]),this.expanded=!0,this.handorgel.options.collapsible||this.disable(),this._updateAria("button","aria-expanded"),this.header.classList.add(this.handorgel.options.headerOpenClass),this.content.classList.add(this.handorgel.options.contentOpenClass),t){const t=this.content.firstElementChild.offsetHeight;this.content.style.height=`${t}px`}else this._opened()}close(t=!0){if(this.expanded)if(this.handorgel.emitEvent("fold:close",[this]),this.expanded=!1,this.handorgel.options.collapsible||this.enable(),this._updateAria("button","aria-expanded"),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),t){const t=this.content.firstElementChild.offsetHeight;this.content.style.height=`${t}px`,window.requestAnimationFrame(()=>{window.requestAnimationFrame(()=>{this.content.style.height="0px"})})}else this._closed()}disable(){this.disabled=!0,this._updateAria("button","aria-disabled"),this.header.classList.add(this.handorgel.options.headerDisabledClass),this.content.classList.add(this.handorgel.options.contentDisabledClass)}enable(){this.disabled=!1,this._updateAria("button","aria-disabled"),this.header.classList.remove(this.handorgel.options.headerDisabledClass),this.content.classList.remove(this.handorgel.options.contentDisabledClass)}focus(){this.button.focus()}blur(){this.button.blur()}toggle(t=!0){this.expanded?this.close(t):this.open(t)}destroy(){this._unbindEvents(),this._cleanAria(),this.header.classList.remove(this.handorgel.options.headerOpenClass),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.content.style.height="0px",this.header.handorgelFold=null,this.content.handorgelFold=null,this.header.removeAttribute("id"),this.content.removeAttribute("id"),this.handorgel=null}_opened(){this.content.style.height="auto",this.header.classList.add(this.handorgel.options.headerOpenedClass),this.content.classList.add(this.handorgel.options.contentOpenedClass),this.handorgel.emitEvent("fold:opened",[this])}_closed(){this.header.classList.remove(this.handorgel.options.headerOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.handorgel.emitEvent("fold:closed",[this])}_initialOpen(){null===this.header.getAttribute(this.handorgel.options.initialOpenAttribute)&&null===this.content.getAttribute(this.handorgel.options.initialOpenAttribute)||(this.handorgel.options.initialOpenTransition?window.setTimeout(()=>{this.open()},this.handorgel.options.initialOpenTransitionDelay):this.open(!1))}_initialFocus(){null!==this.button.getAttribute("autofocus")&&this._handleFocus()}_initAria(){this._updateAria("button"),this._updateAria("content")}_cleanAria(){this._updateAria("button",null,!0),this._updateAria("content",null,!0)}_updateAria(t,e=null,s=!1){if(this.handorgel.options.ariaEnabled)if(e){const s=i[t][e].call(this);this[t].setAttribute(e,s)}else for(let e in i[t])if(i[t].hasOwnProperty(e))if(s)this[t].removeAttribute(e);else{const s=i[t][e].call(this);this[t].setAttribute(e,s)}}_handleContentTransitionEnd(t){t.target===t.currentTarget&&"height"===t.propertyName&&(this.expanded?this._opened():this._closed())}_handleFocus(){this.focused=!0,this.header.classList.add(this.handorgel.options.headerFocusClass),this.content.classList.add(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:focus",[this])}_handleBlur(){this.focused=!1,this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:blur",[this])}_handleButtonClick(t){this.focus(),this.disabled||this.toggle()}_handleButtonKeydown(t){if(!this.handorgel.options.keyboardInteraction)return;let e=null;switch(t.which){case o.arrowDown:e="next";break;case o.arrowUp:e="prev";break;case o.home:e="first";break;case o.end:e="last";break;case o.pageDown:t.ctrlKey&&(e="next");break;case o.pageUp:t.ctrlKey&&(e="prev")}e&&(t.preventDefault(),this.handorgel.focus(e))}_handleContentKeydown(t){if(!this.handorgel.options.keyboardInteraction||!t.ctrlKey)return;let e=null;switch(t.which){case o.pageDown:e="next";break;case o.pageUp:e="prev"}e&&(t.preventDefault(),this.handorgel.focus(e))}_bindEvents(){this._listeners={bFocus:["focus",this.button,this._handleFocus.bind(this)],bBlur:["blur",this.button,this._handleBlur.bind(this)],bClick:["click",this.button,this._handleButtonClick.bind(this)],bKeydown:["keydown",this.button,this._handleButtonKeydown.bind(this)],cKeydown:["keydown",this.content,this._handleContentKeydown.bind(this)],cTransition:["transitionend",this.content,this._handleContentTransitionEnd.bind(this)]};for(let t in this._listeners)if(this._listeners.hasOwnProperty(t)){const e=this._listeners[t];e[1].addEventListener(e[0],e[2])}}_unbindEvents(){for(let t in this._listeners)if(this._listeners.hasOwnProperty(t)){const e=this._listeners[t];e[1].removeEventListener(e[0],e[2])}}}let a=0;class l extends s{constructor(t,e={}){super(),t.handorgel||(this.element=t,this.element.handorgel=this,this.id=`handorgel${++a}`,this.element.setAttribute("id",this.id),this.folds=[],this.options=Object.assign({},l.defaultOptions,e),this._listeners={},this._bindEvents(),this.update())}update(){this.folds=[];const t="string"==typeof this.options.headerElements?this.element.querySelectorAll(this.options.headerElements):this.options.headerElements,e="string"==typeof this.options.contentElements?this.element.querySelectorAll(this.options.contentElements):this.options.contentElements;for(let s=0;s<t.length;s+=1){let n=t[s].handorgelFold;!n&&t[s]&&e[s]&&(n=new h(this,t[s],e[s])),n&&this.folds.push(n)}}focus(t){const e=this.folds.length;let s=null;for(let t=0;t<e&&null===s;t++)this.folds[t].focused&&(s=t);if("prev"!==t&&"next"!==t||null!==s||(t="prev"===t?"last":"first"),"prev"===t&&0===s){if(!this.options.carouselFocus)return;t="last"}if("next"===t&&s===e-1){if(!this.options.carouselFocus)return;t="first"}switch(t){case"prev":this.folds[--s].focus();break;case"next":this.folds[++s].focus();break;case"last":this.folds[e-1].focus();break;case"first":default:this.folds[0].focus()}}destroy(){this.emitEvent("destroy"),this.element.removeAttribute("id"),this.folds.forEach(t=>{t.destroy()}),this._unbindEvents(),this.element.handorgel=null,this.emitEvent("destroyed")}_handleFoldOpen(t){this.options.multiSelectable||this.folds.forEach(e=>{t!==e&&e.close()})}_bindEvents(){this._listeners.foldOpen=this._handleFoldOpen.bind(this),this.on("fold:open",this._listeners.foldOpen)}_unbindEvents(){this.off("fold:open",this._listeners.foldOpen)}}l.defaultOptions={keyboardInteraction:!0,multiSelectable:!0,ariaEnabled:!0,collapsible:!0,carouselFocus:!0,initialOpenAttribute:"data-open",initialOpenTransition:!0,initialOpenTransitionDelay:200,headerElements:".handorgel__header",contentElements:".handorgel__content",headerOpenClass:"handorgel__header--open",contentOpenClass:"handorgel__content--open",headerOpenedClass:"handorgel__header--opened",contentOpenedClass:"handorgel__content--opened",headerDisabledClass:"handorgel__header--disabled",contentDisabledClass:"handorgel__content--disabled",headerFocusClass:"handorgel__header--focus",contentFocusClass:"handorgel__content--focus"};export default l;
\ No newline at end of file
diff --git a/lib/js/umd/handorgel.js b/lib/js/umd/handorgel.js
index d7c4282..8541046 100644
--- a/lib/js/umd/handorgel.js
+++ b/lib/js/umd/handorgel.js
@@ -622,7 +622,6 @@
       _this.options = Object.assign({}, Handorgel.defaultOptions, options);
       _this._listeners = {};
       _this._bindEvents();
-      _this._initAria();
       _this.update();
       return _this;
     }
@@ -688,7 +687,6 @@
           fold.destroy();
         });
         this._unbindEvents();
-        this._cleanAria();
 
         // clean reference to handorgel instance
         this.element.handorgel = null;
@@ -706,21 +704,6 @@
           }
         });
       }
-    }, {
-      key: "_initAria",
-      value: function _initAria() {
-        if (!this.options.ariaEnabled) {
-          return;
-        }
-        if (this.options.multiSelectable) {
-          this.element.setAttribute('aria-multiselectable', 'true');
-        }
-      }
-    }, {
-      key: "_cleanAria",
-      value: function _cleanAria() {
-        this.element.removeAttribute('aria-multiselectable');
-      }
     }, {
       key: "_bindEvents",
       value: function _bindEvents() {
diff --git a/lib/js/umd/handorgel.min.js b/lib/js/umd/handorgel.min.js
index 60b86c7..94ddd14 100644
--- a/lib/js/umd/handorgel.min.js
+++ b/lib/js/umd/handorgel.min.js
@@ -1,2 +1,2 @@
 /** handorgel v1.0.0, @license MIT */
-!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e=e||self).handorgel=t()}(this,function(){"use strict";function e(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function t(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,(s=i.key,void 0,"symbol"==typeof(o=function(e,t){if("object"!=typeof e||null===e)return e;var n=e[Symbol.toPrimitive];if(void 0!==n){var i=n.call(e,t||"default");if("object"!=typeof i)return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(s,"string"))?o:String(o)),i)}var s,o}function n(e,n,i){return n&&t(e.prototype,n),i&&t(e,i),Object.defineProperty(e,"prototype",{writable:!1}),e}function i(e){return(i=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}function s(e,t){return(s=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e})(e,t)}function o(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function a(e,t){if(t&&("object"==typeof t||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return o(e)}function r(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){})),!0}catch(e){return!1}}();return function(){var n,s=i(e);if(t){var o=i(this).constructor;n=Reflect.construct(s,arguments,o)}else n=s.apply(this,arguments);return a(this,n)}}var l="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};var h,d=(function(e){var t,n;t="undefined"!=typeof window?window:l,n=function(){function e(){}var t=e.prototype;return t.on=function(e,t){if(e&&t){var n=this._events=this._events||{},i=n[e]=n[e]||[];return-1==i.indexOf(t)&&i.push(t),this}},t.once=function(e,t){if(e&&t){this.on(e,t);var n=this._onceEvents=this._onceEvents||{};return(n[e]=n[e]||{})[t]=!0,this}},t.off=function(e,t){var n=this._events&&this._events[e];if(n&&n.length){var i=n.indexOf(t);return-1!=i&&n.splice(i,1),this}},t.emitEvent=function(e,t){var n=this._events&&this._events[e];if(n&&n.length){n=n.slice(0),t=t||[];for(var i=this._onceEvents&&this._onceEvents[e],s=0;s<n.length;s++){var o=n[s];i&&i[o]&&(this.off(e,o),delete i[o]),o.apply(this,t)}return this}},t.allOff=function(){delete this._events,delete this._onceEvents},e},e.exports?e.exports=n():t.EvEmitter=n()}(h={exports:{}},h.exports),h.exports),c={},u={button:{"aria-controls":function(){return this.id+"-content"},"aria-expanded":function(){return this.expanded?"true":"false"},"aria-disabled":function(){return this.disabled?"true":"false"}},content:{role:function(){return"region"},"aria-labelledby":function(){return this.id+"-header"}}},f=40,p=38,v=33,b=34,g=35,y=36,_=function(){function t(n,i,s){e(this,t),i.handorgelFold||(this.handorgel=n,this.header=i,this.button=i.firstElementChild,this.content=s,this.header.handorgelFold=this,this.content.handorgelFold=this,c[this.handorgel.id]||(c[this.handorgel.id]=0),this.id="".concat(this.handorgel.id,"-fold").concat(++c[this.handorgel.id]),this.header.setAttribute("id",this.id+"-header"),this.content.setAttribute("id",this.id+"-content"),this.focused=!1,this.expanded=!1,this.disabled=!1,this._listeners={},this._bindEvents(),this._initAria(),this._initialOpen(),this._initialFocus())}return n(t,[{key:"open",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(!this.expanded)if(this.handorgel.emitEvent("fold:open",[this]),this.expanded=!0,this.handorgel.options.collapsible||this.disable(),this._updateAria("button","aria-expanded"),this.header.classList.add(this.handorgel.options.headerOpenClass),this.content.classList.add(this.handorgel.options.contentOpenClass),e){var t=this.content.firstElementChild.offsetHeight;this.content.style.height="".concat(t,"px")}else this._opened()}},{key:"close",value:function(){var e=this,t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(this.expanded)if(this.handorgel.emitEvent("fold:close",[this]),this.expanded=!1,this.handorgel.options.collapsible||this.enable(),this._updateAria("button","aria-expanded"),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),t){var n=this.content.firstElementChild.offsetHeight;this.content.style.height="".concat(n,"px"),window.requestAnimationFrame(function(){window.requestAnimationFrame(function(){e.content.style.height="0px"})})}else this._closed()}},{key:"disable",value:function(){this.disabled=!0,this._updateAria("button","aria-disabled"),this.header.classList.add(this.handorgel.options.headerDisabledClass),this.content.classList.add(this.handorgel.options.contentDisabledClass)}},{key:"enable",value:function(){this.disabled=!1,this._updateAria("button","aria-disabled"),this.header.classList.remove(this.handorgel.options.headerDisabledClass),this.content.classList.remove(this.handorgel.options.contentDisabledClass)}},{key:"focus",value:function(){this.button.focus()}},{key:"blur",value:function(){this.button.blur()}},{key:"toggle",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this.expanded?this.close(e):this.open(e)}},{key:"destroy",value:function(){this._unbindEvents(),this._cleanAria(),this.header.classList.remove(this.handorgel.options.headerOpenClass),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.content.style.height="0px",this.header.handorgelFold=null,this.content.handorgelFold=null,this.header.removeAttribute("id"),this.content.removeAttribute("id"),this.handorgel=null}},{key:"_opened",value:function(){this.content.style.height="auto",this.header.classList.add(this.handorgel.options.headerOpenedClass),this.content.classList.add(this.handorgel.options.contentOpenedClass),this.handorgel.emitEvent("fold:opened",[this])}},{key:"_closed",value:function(){this.header.classList.remove(this.handorgel.options.headerOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.handorgel.emitEvent("fold:closed",[this])}},{key:"_initialOpen",value:function(){var e=this;null===this.header.getAttribute(this.handorgel.options.initialOpenAttribute)&&null===this.content.getAttribute(this.handorgel.options.initialOpenAttribute)||(this.handorgel.options.initialOpenTransition?window.setTimeout(function(){e.open()},this.handorgel.options.initialOpenTransitionDelay):this.open(!1))}},{key:"_initialFocus",value:function(){null!==this.button.getAttribute("autofocus")&&this._handleFocus()}},{key:"_initAria",value:function(){this._updateAria("button"),this._updateAria("content")}},{key:"_cleanAria",value:function(){this._updateAria("button",null,!0),this._updateAria("content",null,!0)}},{key:"_updateAria",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,n=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(this.handorgel.options.ariaEnabled)if(t){var i=u[e][t].call(this);this[e].setAttribute(t,i)}else for(var s in u[e])if(u[e].hasOwnProperty(s))if(n)this[e].removeAttribute(s);else{var o=u[e][s].call(this);this[e].setAttribute(s,o)}}},{key:"_handleContentTransitionEnd",value:function(e){e.target===e.currentTarget&&"height"===e.propertyName&&(this.expanded?this._opened():this._closed())}},{key:"_handleFocus",value:function(){this.focused=!0,this.header.classList.add(this.handorgel.options.headerFocusClass),this.content.classList.add(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:focus",[this])}},{key:"_handleBlur",value:function(){this.focused=!1,this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:blur",[this])}},{key:"_handleButtonClick",value:function(e){this.focus(),this.disabled||this.toggle()}},{key:"_handleButtonKeydown",value:function(e){if(this.handorgel.options.keyboardInteraction){var t=null;switch(e.which){case f:t="next";break;case p:t="prev";break;case y:t="first";break;case g:t="last";break;case b:e.ctrlKey&&(t="next");break;case v:e.ctrlKey&&(t="prev")}t&&(e.preventDefault(),this.handorgel.focus(t))}}},{key:"_handleContentKeydown",value:function(e){if(this.handorgel.options.keyboardInteraction&&e.ctrlKey){var t=null;switch(e.which){case b:t="next";break;case v:t="prev"}t&&(e.preventDefault(),this.handorgel.focus(t))}}},{key:"_bindEvents",value:function(){for(var e in this._listeners={bFocus:["focus",this.button,this._handleFocus.bind(this)],bBlur:["blur",this.button,this._handleBlur.bind(this)],bClick:["click",this.button,this._handleButtonClick.bind(this)],bKeydown:["keydown",this.button,this._handleButtonKeydown.bind(this)],cKeydown:["keydown",this.content,this._handleContentKeydown.bind(this)],cTransition:["transitionend",this.content,this._handleContentTransitionEnd.bind(this)]},this._listeners)if(this._listeners.hasOwnProperty(e)){var t=this._listeners[e];t[1].addEventListener(t[0],t[2])}}},{key:"_unbindEvents",value:function(){for(var e in this._listeners)if(this._listeners.hasOwnProperty(e)){var t=this._listeners[e];t[1].removeEventListener(t[0],t[2])}}}]),t}(),m=0,O=function(t){!function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&s(e,t)}(l,d);var i=r(l);function l(t){var n,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return e(this,l),n=i.call(this),t.handorgel?a(n):(n.element=t,n.element.handorgel=o(n),n.id="handorgel".concat(++m),n.element.setAttribute("id",n.id),n.folds=[],n.options=Object.assign({},l.defaultOptions,s),n._listeners={},n._bindEvents(),n._initAria(),n.update(),n)}return n(l,[{key:"update",value:function(){this.folds=[];for(var e="string"==typeof this.options.headerElements?this.element.querySelectorAll(this.options.headerElements):this.options.headerElements,t="string"==typeof this.options.contentElements?this.element.querySelectorAll(this.options.contentElements):this.options.contentElements,n=0;n<e.length;n+=1){var i=e[n].handorgelFold;!i&&e[n]&&t[n]&&(i=new _(this,e[n],t[n])),i&&this.folds.push(i)}}},{key:"focus",value:function(e){for(var t=this.folds.length,n=null,i=0;i<t&&null===n;i++)this.folds[i].focused&&(n=i);if("prev"!==e&&"next"!==e||null!==n||(e="prev"===e?"last":"first"),"prev"===e&&0===n){if(!this.options.carouselFocus)return;e="last"}if("next"===e&&n===t-1){if(!this.options.carouselFocus)return;e="first"}switch(e){case"prev":this.folds[--n].focus();break;case"next":this.folds[++n].focus();break;case"last":this.folds[t-1].focus();break;case"first":default:this.folds[0].focus()}}},{key:"destroy",value:function(){this.emitEvent("destroy"),this.element.removeAttribute("id"),this.folds.forEach(function(e){e.destroy()}),this._unbindEvents(),this._cleanAria(),this.element.handorgel=null,this.emitEvent("destroyed")}},{key:"_handleFoldOpen",value:function(e){this.options.multiSelectable||this.folds.forEach(function(t){e!==t&&t.close()})}},{key:"_initAria",value:function(){this.options.ariaEnabled&&this.options.multiSelectable&&this.element.setAttribute("aria-multiselectable","true")}},{key:"_cleanAria",value:function(){this.element.removeAttribute("aria-multiselectable")}},{key:"_bindEvents",value:function(){this._listeners.foldOpen=this._handleFoldOpen.bind(this),this.on("fold:open",this._listeners.foldOpen)}},{key:"_unbindEvents",value:function(){this.off("fold:open",this._listeners.foldOpen)}}]),l}();return O.defaultOptions={keyboardInteraction:!0,multiSelectable:!0,ariaEnabled:!0,collapsible:!0,carouselFocus:!0,initialOpenAttribute:"data-open",initialOpenTransition:!0,initialOpenTransitionDelay:200,headerElements:".handorgel__header",contentElements:".handorgel__content",headerOpenClass:"handorgel__header--open",contentOpenClass:"handorgel__content--open",headerOpenedClass:"handorgel__header--opened",contentOpenedClass:"handorgel__content--opened",headerDisabledClass:"handorgel__header--disabled",contentDisabledClass:"handorgel__content--disabled",headerFocusClass:"handorgel__header--focus",contentFocusClass:"handorgel__content--focus"},O});
\ No newline at end of file
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?module.exports=t():"function"==typeof define&&define.amd?define(t):(e=e||self).handorgel=t()}(this,function(){"use strict";function e(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function t(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,(s=i.key,void 0,"symbol"==typeof(o=function(e,t){if("object"!=typeof e||null===e)return e;var n=e[Symbol.toPrimitive];if(void 0!==n){var i=n.call(e,t||"default");if("object"!=typeof i)return i;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(s,"string"))?o:String(o)),i)}var s,o}function n(e,n,i){return n&&t(e.prototype,n),i&&t(e,i),Object.defineProperty(e,"prototype",{writable:!1}),e}function i(e){return(i=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}function s(e,t){return(s=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e})(e,t)}function o(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function r(e,t){if(t&&("object"==typeof t||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return o(e)}function a(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){})),!0}catch(e){return!1}}();return function(){var n,s=i(e);if(t){var o=i(this).constructor;n=Reflect.construct(s,arguments,o)}else n=s.apply(this,arguments);return r(this,n)}}var l="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};var h,d=(function(e){var t,n;t="undefined"!=typeof window?window:l,n=function(){function e(){}var t=e.prototype;return t.on=function(e,t){if(e&&t){var n=this._events=this._events||{},i=n[e]=n[e]||[];return-1==i.indexOf(t)&&i.push(t),this}},t.once=function(e,t){if(e&&t){this.on(e,t);var n=this._onceEvents=this._onceEvents||{};return(n[e]=n[e]||{})[t]=!0,this}},t.off=function(e,t){var n=this._events&&this._events[e];if(n&&n.length){var i=n.indexOf(t);return-1!=i&&n.splice(i,1),this}},t.emitEvent=function(e,t){var n=this._events&&this._events[e];if(n&&n.length){n=n.slice(0),t=t||[];for(var i=this._onceEvents&&this._onceEvents[e],s=0;s<n.length;s++){var o=n[s];i&&i[o]&&(this.off(e,o),delete i[o]),o.apply(this,t)}return this}},t.allOff=function(){delete this._events,delete this._onceEvents},e},e.exports?e.exports=n():t.EvEmitter=n()}(h={exports:{}},h.exports),h.exports),c={},u={button:{"aria-controls":function(){return this.id+"-content"},"aria-expanded":function(){return this.expanded?"true":"false"},"aria-disabled":function(){return this.disabled?"true":"false"}},content:{role:function(){return"region"},"aria-labelledby":function(){return this.id+"-header"}}},f=40,p=38,v=33,b=34,g=35,y=36,_=function(){function t(n,i,s){e(this,t),i.handorgelFold||(this.handorgel=n,this.header=i,this.button=i.firstElementChild,this.content=s,this.header.handorgelFold=this,this.content.handorgelFold=this,c[this.handorgel.id]||(c[this.handorgel.id]=0),this.id="".concat(this.handorgel.id,"-fold").concat(++c[this.handorgel.id]),this.header.setAttribute("id",this.id+"-header"),this.content.setAttribute("id",this.id+"-content"),this.focused=!1,this.expanded=!1,this.disabled=!1,this._listeners={},this._bindEvents(),this._initAria(),this._initialOpen(),this._initialFocus())}return n(t,[{key:"open",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(!this.expanded)if(this.handorgel.emitEvent("fold:open",[this]),this.expanded=!0,this.handorgel.options.collapsible||this.disable(),this._updateAria("button","aria-expanded"),this.header.classList.add(this.handorgel.options.headerOpenClass),this.content.classList.add(this.handorgel.options.contentOpenClass),e){var t=this.content.firstElementChild.offsetHeight;this.content.style.height="".concat(t,"px")}else this._opened()}},{key:"close",value:function(){var e=this,t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];if(this.expanded)if(this.handorgel.emitEvent("fold:close",[this]),this.expanded=!1,this.handorgel.options.collapsible||this.enable(),this._updateAria("button","aria-expanded"),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),t){var n=this.content.firstElementChild.offsetHeight;this.content.style.height="".concat(n,"px"),window.requestAnimationFrame(function(){window.requestAnimationFrame(function(){e.content.style.height="0px"})})}else this._closed()}},{key:"disable",value:function(){this.disabled=!0,this._updateAria("button","aria-disabled"),this.header.classList.add(this.handorgel.options.headerDisabledClass),this.content.classList.add(this.handorgel.options.contentDisabledClass)}},{key:"enable",value:function(){this.disabled=!1,this._updateAria("button","aria-disabled"),this.header.classList.remove(this.handorgel.options.headerDisabledClass),this.content.classList.remove(this.handorgel.options.contentDisabledClass)}},{key:"focus",value:function(){this.button.focus()}},{key:"blur",value:function(){this.button.blur()}},{key:"toggle",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];this.expanded?this.close(e):this.open(e)}},{key:"destroy",value:function(){this._unbindEvents(),this._cleanAria(),this.header.classList.remove(this.handorgel.options.headerOpenClass),this.header.classList.remove(this.handorgel.options.headerOpenedClass),this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenedClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.content.style.height="0px",this.header.handorgelFold=null,this.content.handorgelFold=null,this.header.removeAttribute("id"),this.content.removeAttribute("id"),this.handorgel=null}},{key:"_opened",value:function(){this.content.style.height="auto",this.header.classList.add(this.handorgel.options.headerOpenedClass),this.content.classList.add(this.handorgel.options.contentOpenedClass),this.handorgel.emitEvent("fold:opened",[this])}},{key:"_closed",value:function(){this.header.classList.remove(this.handorgel.options.headerOpenClass),this.content.classList.remove(this.handorgel.options.contentOpenClass),this.handorgel.emitEvent("fold:closed",[this])}},{key:"_initialOpen",value:function(){var e=this;null===this.header.getAttribute(this.handorgel.options.initialOpenAttribute)&&null===this.content.getAttribute(this.handorgel.options.initialOpenAttribute)||(this.handorgel.options.initialOpenTransition?window.setTimeout(function(){e.open()},this.handorgel.options.initialOpenTransitionDelay):this.open(!1))}},{key:"_initialFocus",value:function(){null!==this.button.getAttribute("autofocus")&&this._handleFocus()}},{key:"_initAria",value:function(){this._updateAria("button"),this._updateAria("content")}},{key:"_cleanAria",value:function(){this._updateAria("button",null,!0),this._updateAria("content",null,!0)}},{key:"_updateAria",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,n=arguments.length>2&&void 0!==arguments[2]&&arguments[2];if(this.handorgel.options.ariaEnabled)if(t){var i=u[e][t].call(this);this[e].setAttribute(t,i)}else for(var s in u[e])if(u[e].hasOwnProperty(s))if(n)this[e].removeAttribute(s);else{var o=u[e][s].call(this);this[e].setAttribute(s,o)}}},{key:"_handleContentTransitionEnd",value:function(e){e.target===e.currentTarget&&"height"===e.propertyName&&(this.expanded?this._opened():this._closed())}},{key:"_handleFocus",value:function(){this.focused=!0,this.header.classList.add(this.handorgel.options.headerFocusClass),this.content.classList.add(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:focus",[this])}},{key:"_handleBlur",value:function(){this.focused=!1,this.header.classList.remove(this.handorgel.options.headerFocusClass),this.content.classList.remove(this.handorgel.options.contentFocusClass),this.handorgel.emitEvent("fold:blur",[this])}},{key:"_handleButtonClick",value:function(e){this.focus(),this.disabled||this.toggle()}},{key:"_handleButtonKeydown",value:function(e){if(this.handorgel.options.keyboardInteraction){var t=null;switch(e.which){case f:t="next";break;case p:t="prev";break;case y:t="first";break;case g:t="last";break;case b:e.ctrlKey&&(t="next");break;case v:e.ctrlKey&&(t="prev")}t&&(e.preventDefault(),this.handorgel.focus(t))}}},{key:"_handleContentKeydown",value:function(e){if(this.handorgel.options.keyboardInteraction&&e.ctrlKey){var t=null;switch(e.which){case b:t="next";break;case v:t="prev"}t&&(e.preventDefault(),this.handorgel.focus(t))}}},{key:"_bindEvents",value:function(){for(var e in this._listeners={bFocus:["focus",this.button,this._handleFocus.bind(this)],bBlur:["blur",this.button,this._handleBlur.bind(this)],bClick:["click",this.button,this._handleButtonClick.bind(this)],bKeydown:["keydown",this.button,this._handleButtonKeydown.bind(this)],cKeydown:["keydown",this.content,this._handleContentKeydown.bind(this)],cTransition:["transitionend",this.content,this._handleContentTransitionEnd.bind(this)]},this._listeners)if(this._listeners.hasOwnProperty(e)){var t=this._listeners[e];t[1].addEventListener(t[0],t[2])}}},{key:"_unbindEvents",value:function(){for(var e in this._listeners)if(this._listeners.hasOwnProperty(e)){var t=this._listeners[e];t[1].removeEventListener(t[0],t[2])}}}]),t}(),m=0,O=function(t){!function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&s(e,t)}(l,d);var i=a(l);function l(t){var n,s=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};return e(this,l),n=i.call(this),t.handorgel?r(n):(n.element=t,n.element.handorgel=o(n),n.id="handorgel".concat(++m),n.element.setAttribute("id",n.id),n.folds=[],n.options=Object.assign({},l.defaultOptions,s),n._listeners={},n._bindEvents(),n.update(),n)}return n(l,[{key:"update",value:function(){this.folds=[];for(var e="string"==typeof this.options.headerElements?this.element.querySelectorAll(this.options.headerElements):this.options.headerElements,t="string"==typeof this.options.contentElements?this.element.querySelectorAll(this.options.contentElements):this.options.contentElements,n=0;n<e.length;n+=1){var i=e[n].handorgelFold;!i&&e[n]&&t[n]&&(i=new _(this,e[n],t[n])),i&&this.folds.push(i)}}},{key:"focus",value:function(e){for(var t=this.folds.length,n=null,i=0;i<t&&null===n;i++)this.folds[i].focused&&(n=i);if("prev"!==e&&"next"!==e||null!==n||(e="prev"===e?"last":"first"),"prev"===e&&0===n){if(!this.options.carouselFocus)return;e="last"}if("next"===e&&n===t-1){if(!this.options.carouselFocus)return;e="first"}switch(e){case"prev":this.folds[--n].focus();break;case"next":this.folds[++n].focus();break;case"last":this.folds[t-1].focus();break;case"first":default:this.folds[0].focus()}}},{key:"destroy",value:function(){this.emitEvent("destroy"),this.element.removeAttribute("id"),this.folds.forEach(function(e){e.destroy()}),this._unbindEvents(),this.element.handorgel=null,this.emitEvent("destroyed")}},{key:"_handleFoldOpen",value:function(e){this.options.multiSelectable||this.folds.forEach(function(t){e!==t&&t.close()})}},{key:"_bindEvents",value:function(){this._listeners.foldOpen=this._handleFoldOpen.bind(this),this.on("fold:open",this._listeners.foldOpen)}},{key:"_unbindEvents",value:function(){this.off("fold:open",this._listeners.foldOpen)}}]),l}();return O.defaultOptions={keyboardInteraction:!0,multiSelectable:!0,ariaEnabled:!0,collapsible:!0,carouselFocus:!0,initialOpenAttribute:"data-open",initialOpenTransition:!0,initialOpenTransitionDelay:200,headerElements:".handorgel__header",contentElements:".handorgel__content",headerOpenClass:"handorgel__header--open",contentOpenClass:"handorgel__content--open",headerOpenedClass:"handorgel__header--opened",contentOpenedClass:"handorgel__content--opened",headerDisabledClass:"handorgel__header--disabled",contentDisabledClass:"handorgel__content--disabled",headerFocusClass:"handorgel__header--focus",contentFocusClass:"handorgel__content--focus"},O});
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 40d3a55..36eb198 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "handorgel",
-  "version": "0.5.0",
+  "version": "1.0.0",
   "lockfileVersion": 2,
   "requires": true,
   "packages": {
     "": {
       "name": "handorgel",
-      "version": "0.5.0",
+      "version": "1.0.0",
       "license": "MIT",
       "dependencies": {
         "ev-emitter": "^1.1.1",
diff --git a/src/js/index.js b/src/js/index.js
index 7c58e3f..c0ab1c0 100644
--- a/src/js/index.js
+++ b/src/js/index.js
@@ -21,7 +21,6 @@ export default class Handorgel extends EventEmitter {
     this._listeners = {}
 
     this._bindEvents()
-    this._initAria()
     this.update()
   }
 
@@ -100,7 +99,6 @@ export default class Handorgel extends EventEmitter {
     })
 
     this._unbindEvents()
-    this._cleanAria()
 
     // clean reference to handorgel instance
     this.element.handorgel = null
@@ -119,20 +117,6 @@ export default class Handorgel extends EventEmitter {
     })
   }
 
-  _initAria() {
-    if (!this.options.ariaEnabled) {
-      return
-    }
-
-    if (this.options.multiSelectable) {
-      this.element.setAttribute('aria-multiselectable', 'true')
-    }
-  }
-
-  _cleanAria() {
-    this.element.removeAttribute('aria-multiselectable')
-  }
-
   _bindEvents() {
     this._listeners.foldOpen = this._handleFoldOpen.bind(this)
     this.on('fold:open', this._listeners.foldOpen)