detj/dabblet.css

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

.box {
	border: 1px solid;
	width: 30%;
	height: 200px;
	margin: 0 auto;
	box-shadow: inset 0px -18px 30px -7px #000;
}


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

## settings.json
{"view":"split","prefixfree":"1","page":"css"}
	/**
	* The first commented line is your dabblet’s title
	*/

	.box {
	border: 1px solid;
	width: 30%;
	height: 200px;
	margin: 0 auto;
	box-shadow: inset 0px -18px 30px -7px #000;
	}
	<!-- content to be placed inside <body>…</body> -->
	<div class="box"></div>