header {
	padding-top: 18px;
	line-height: 48px;
	text-align: center;
	background: -moz-linear-gradient(left, #f5364c, #e51329);
	/*Mozilla*/
	background: -webkit-gradient(linear, 0 50%, 100% 50%, from(#f5364c), to(#e51329));
	/*Old gradient for webkit*/
	background: -webkit-linear-gradient(left, #f5364c, #e51329);
	/*new gradient for Webkit*/
	background: -o-linear-gradient(left, #f5364c, #e51329);
	/*Opera11*/
	color: white;
	font-size: 18px;
	z-index: 10;
	position: fixed;
	width: 100%;
	top: 0;
	left: 0;
}


.clearfix:after{
		height:0;
		content:" ";
		display:block;
		overflow:hidden;
		clear:both;
	}
.clearfix{
	zoom:1;/*IE低版本浏览器不支持after伪类所以要加这一句*/
}
a{
	color: black;
}
a:active{
	color: white;
}