关于css:清除浮动之overflow - 乐趣区

<!DOCTYPE html>
<html lang=”en”>
<head>
<meta charset=”UTF-8″>
<meta http-equiv=”X-UA-Compatible” content=”IE=edge”>
<meta name=”viewport” content=”width=device-width, initial-scale=1.0″>
<title> 革除浮动之 overflow</title>
<style>

.box {
  width: 800px;
  border: 1px solid blue;
  margin: 0 auto;
  background-color: gray;
  /* 革除浮动 */
  overflow: hidden;
}

.damao {
  width: 300px;
  height: 200px;
  background-color: purple;
  float: left;
}
.ermao {
  width: 200px;
  height: 200px;
  background-color: pink;
  float: left;
}

.footer {
  height: 200px;
  background-color: black;
}

</style>
</head>
<body>
<div class=”box”>

<div class="damao"> 大毛 </div>
<div class="ermao"> 二毛 </div>
<div class="ermao"> 二毛 </div>
<div class="ermao"> 二毛 </div>
<div class="ermao"> 二毛 </div>
<div class="ermao"> 二毛 </div>

</div>
<div class=”footer”></div>
</body>
</html>