Code area for plaintext

Author: ksw2000

example/index.md

@@ -89,14 +89,6 @@ int main(){
 }
 ```
 
-```c=
-#include<stdio.h>
-int main(){
-    printf("hello\n");
-    return 0;
-}
-```
-
 ```go=
 package main
 
@@ -118,6 +110,10 @@ func main() {
 }
 ```
 
+```
+plaintext
+```
+
 ## Abbr
 
 *[HTML]: Hyper Text Markup Language

layout.html

@@ -211,6 +211,9 @@
             margin: 0px;
             padding: 0px;
             overflow-x: auto;
+            font-family: Menlo, Monaco, Consolas, "Courier New", monospace;
+            font-size: 0.85rem;
+            color: #444;
         }
 
         mark {
@@ -223,15 +226,8 @@
         }
 
         /*---hljs---*/
-        .hljs {
-            background: #f0f0f0;
-            color: #444;
-            font-family: Menlo, Monaco, Consolas, "Courier New", monospace;
-            font-size: 0.85rem;
-        }
-
         .hljs-comment {
-            color: #888
+            color: #708090;
         }
 
         .hljs-punctuation,
@@ -349,6 +345,7 @@
     <script
         src="https://cdn.jsdelivr.net/npm/[email protected]/dist/highlightjs-line-numbers.min.js"></script>
     <script>
+        // https://github.com/highlightjs/highlight.js/blob/main/SUPPORTED_LANGUAGES.md
         document.querySelectorAll('code').forEach((dom) => {
             let lang = dom.className.match(/language\-([^=]*)?(=?)$/);
             if (lang[1]) {