centering with absolute position

dabblet.css

/**
 * centering with absolute position
 */

div {
	width: 130px;
	height: 130px;
	background-color: blue;
	position: absolute;
	top:0;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
}

dabblet.html

<div>
<div class="hella">warapwawarap warap</div>
</div>

settings.json

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