body,ul,li,p,h4{margin: 0;padding: 0;}
img{border:none;}
ul,li{list-style: none;}

.clearfix:after{
	clear: both;
	display: block;
	visibility: hidden;
	height: 0;
	line-height: 0;
	content: "";
}
.clearfix{
　　　　　　zoom:1; //为了兼容IE6、7     
}

*{
	-webkit-box-sizing:border-box;
	-moz-box-sizing:border-box;
	box-sizing:border-box;
}

a{
	text-decoration: none;
}