布局常用命名
<body>
<div class="container">
<header class="header">
header
</header>
<div class="main clearfix">
<aside class="sidebar">sidebar</aside>
<div class="content">content</div>
</div>
<footer class="footer">
footer
</footer>
</div>
</body>
clearfix:清楚浮動(dòng)
.clearfix{*zoom:1}
.clearfix:after{
clear:both;
height:0;
overflow:hidden;
display:block;
visibility:hidden;
content:"."
}
