清除div浮动的三种方式

时间:2024-03-12 16:06:49

html:

<body>
<div class="main">
<div class="first"></div>
<div class="second"></div>

</div>
</body>

<style>
.main
{
overflow:hidden;
border:1px solid black;
}
.first{
width:100px;
height:100px;
float:left;
background:#33ffff;
}
.second
{
float:left;
width:300px;
height:300px;
background:#9900ff;

}
.clear
{
clear:both;
}
</style>

1:将main父级div增加高度

2:增加<div class="clear"></div>

3:将父级div增加:overflow:hidden