.build-list > a {
	font-family: monospace;

	display: block;

	float: left;
	line-height: 0;

	position: relative;

	margin: 1px;
	padding: 1.5em;

	background-color: rgba( 0, 0, 0, 0 );
}

.build-list > a:hover {
	background-color: rgba( 0, 0, 0, 1 );
}

.build-list > a:after
, .build-list > a:before {
	content: "";
	background-color: rgba( 0, 255, 0, 0.5 ); 

	width: 3em;
	height: 3em;
	top: 0;
	left: 0;

	position: absolute;
}

.build-list > a[data-clone="false"]:before
, .build-list > a[data-build="false"]:after
{ background-color: rgba( 255, 0, 0, 0.5 ); }