<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>清除特殊浮动.html</title>
<style type="text/css">
.father {
background-color: #c0c0c0;
border: 1px dashed #666;
}
.box1,
.box2,
.box3 {
line-height: 40px;
background-color: #9f6;
margin: 15px;
height: 40px;
padding: 0px 10px;
border: 1px solid #999;
float: left;
}
.box4 {
clear: left;
}
</style>
</head>
<body>
<div class="father">
<div class="box1">box</div>
<div class="box2">box</div>
<div class="box3">box</div>
<div class="box4"></div>
</div>
</body>
</html>
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