style.css

.superLista {
	margin:0;
	padding: 0;
	list-style: none;
  width:500px
}
.superLista li {
	background-color: rgba(0, 0, 0, .1);
	border: 1px solid rgba(0, 0, 0, .5);
	margin: 0 0 10px 0;
	padding: 5px;
	overflow: hidden; /* fix float */
}
.superLista li span {
	display: block;
	float: left;
	background-color: rgba(0, 0, 0, .3);
	border: 1px solid rgba(0, 0, 0, .6);
	margin-right: 10px;
	width:25%;
}
.superLista li p {
	font-family: Arial, sans-serif;
	font-size: 14px;
	color: rgba(0, 0, 0, 1);
	margin: 0 0 10px 0;
	padding: 0;
}