docs: no focus on mobile devices

docs/index.html

@@ -683,7 +683,7 @@
 
   <script src="lib/codemirror/core.js"></script>
   <script src="lib/codemirror/lang/css.js"></script>
-  <script src="main.js?aaddace6e5b6"></script>
+  <script src="main.js?95c06573d835c"></script>
   <script>
     (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
     (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),

docs/main.js

@@ -34,7 +34,7 @@
     CodeMirror(sample, {
       mode: block.getAttribute('code') || 'css',
       value: content,
-      readOnly: true,
+      readOnly: ('ontouchstart' in window) ? 'nocursor' : true,
       cursorBlinkRate: -1,
       theme: '3024-day',
       tabSize: 2