xiaody/dabblet.css

## dabblet.css
/**
 * border see through
 */

div {
	width:275px;
	height:250px;
	border:20px dashed rgba(0,0,0,.5);
	background:red;
}

## dabblet.html
<!-- content to be placed inside <body>…</body> -->
<DIV>
</DIV>

## settings.json
{"view":"split-vertical","fontsize":"100","seethrough":"","prefixfree":"1","page":"all"}
	/**
	* border see through
	*/

	div {
	width:275px;
	height:250px;
	border:20px dashed rgba(0,0,0,.5);
	background:red;
	}
	<!-- content to be placed inside <body>…</body> -->
	<DIV>
	</DIV>