rafaelcaricio/dabblet.css

## dabblet.css
/**
 * The first commented line is your dabblet’s title
 */
 .coisa {
  margin-top: 40px;
  width: 100px;
  height: 100px;
  background-color: #bbb;
 }

## dabblet.html
<!-- content to be placed inside <body>…</body> -->
<div class=coisa></div>

## settings.json
{"page":"css","view":"split-vertical"}
	/**
	* The first commented line is your dabblet’s title
	*/
	.coisa {
	margin-top: 40px;
	width: 100px;
	height: 100px;
	background-color: #bbb;
	}
	<!-- content to be placed inside <body>…</body> -->
	<div class=coisa></div>