*{ margin:0; padding:0; list-style:none;}
body{ font-size:12px; color:#666; text-align:left;}
h1{ text-align:center;}
.zzsc{
	width: 600px;
	height: 200px;
	margin: 0;
	font-family: '微软雅黑'; font-size:16px;
}
.zzsc .tab{ overflow:hidden; }
.zzsc .tab a{ display:block; padding:10px 20px; float:left; text-decoration:none; color:#fff; background:rgba(60,69,111,0.5)}
.zzsc .tab a:hover{
	background: #1d76d4;
	color: #fff;
	text-decoration: none;
}/**鼠标经过效果**/
.zzsc .tab a.on{
	background: #1d76d4;
	color: #fff;
	text-decoration: none;
}/**鼠标经过效果**/
.zzsc .content{ overflow:hidden; padding:10px; color:#fff;}
.zzsc .content li{ display:none;}