The first commented line is your dabblet’s title

dabblet.css

/**
 * The first commented line is your dabblet’s title
 */

.container {
   width: 200px;
   height: 200px;
   background: green;
   position: absolute;
 }
 
 .inner {
   margin: 20px;
   background: red;
   height: 80%;
  }
  
   .inner2 {
   margin: 40px;
   background: red;
   height: 160%;
   }

dabblet.html

<div class='container'><div class='inner'></div></div>
<div class='container' style='left: 220px;'><div class='inner' style='zoom: 2;'></div></div>
<div class='container' style='left: 440px;'><div class='inner2'></div></div>

dabblet.js

// alert('Hello world!');

settings.json

{"view":"split","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}