The first commented line is your dabblet’s title

dabblet.css

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

body { background: #c2c2c2; }
#pop {
	box-shadow: 0px 9px 8px #a1a1a1;
	border-radius: 5px;
	background: #fff;
	font: 300 2em/1 "Helvetica Neue", arial;
	margin: 2% auto 0 auto;
	padding: 8% 5%;
	width: 50%;
	text-align: center;
	position: relative;
}
#pop:after {
	background: #fff;
	content: "";
	clear: both;
	display: block;
	width: 1em;	
	height: 1em;
	-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);
	-o-transform: rotate(45deg);
	transform: rotate(45deg);
	position: absolute;
	left: 48%;
	bottom: -13px;
	box-shadow: -10px -10px 10px #fff,
				8px 8px 7px #a1a1a1;

}

dabblet.html

<div id="pop">What about this popover?</div>

settings.json

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