请选择

* {
	padding:0;
	margin:0;
}
li {
	position:relative;
	list-style:none;
	float:left;
	margin-right:20px;
}
img {
	width:120px;
	height:80px;
	cursor:pointer;
}
a.on {
	display:inline-block;
	width:10px;
	height:5px;
	background:red;
	line-height:0;
	font-size:0;
	vertical-align:middle;
	-webkit-transform:rotate(45deg);
	position:absolute;
	right:13px;
	bottom:5px;
}
a.on:after {
	content:'/';
	display:block;
	width:20px;
	height:5px;
	background:red;
	-webkit-transform:rotate(-90deg) translateY(-50%) translateX(50%);
	position:absolute;
}