<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
.divClass {
/*宽度 实心 颜色*/
border: 1px solid red ;
background-color: pink;
height: 25px;
width: 25px;
float: left;
}
.clr {
clear: both;
}
</style>
</head>
<body>
<div class="divClass">0</div>
<div class="divClass">1</div>
<div class="divClass">2</div>
<div class="divClass">3</div>
<div class="divClass">4</div>
<!-- 清除浮动 -->
<div class="clr"></div>
<div class="divClass">5</div>
<div class="divClass">6</div>
<div class="divClass">7</div>
<div class="divClass">8</div>
<div class="divClass">9</div>
</body>
</html>