skozin/dabblet.css

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

.cont {
	width: 80%;
	height: 200px;
	margin: 20px auto;
	background: #f06;
	background: linear-gradient(45deg, #f06, yellow);
	min-height: 100%;
}

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

## settings.json
{"view":"split-vertical","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}
	/**
	* The first commented line is your dabblet’s title
	*/

	.cont {
	width: 80%;
	height: 200px;
	margin: 20px auto;
	background: #f06;
	background: linear-gradient(45deg, #f06, yellow);
	min-height: 100%;
	}
	<!-- content to be placed inside <body>…</body> -->
	<div class="cont"></div>