* {
	margin:0;
	padding:0;
}
ul {
	list-style:none;
} 
.wrapper { 
	width:500px;
	height:475px; 
	margin-top:20px;
}
.tab {
	border:1px solid #ddd;
	border-bottom:0;
	height:36px;
	width:320px;
}
.tab li {
	position:relative;
	float:left;
	width:80px;
	height:34px;
	line-height:34px;
	text-align:center;
	cursor:pointer;
	border-top:4px solid #fff;
}
.tab span {
	position:absolute;
	right:0;
	top:10px;
	background:#ddd;
	width:1px;
	height:14px;
	overflow:hidden;
}
.products {
	width:500;
	border:1px solid #ddd;
	height:476px;
}
.products .main {
	float:left;
	display:none;
} 
.products .main.selected {
	display:block;
}
.tab li.active {
	border-color:red;
	border-bottom:0;
}