浮动:给子集加浮动父级也会浮动,
父级的文字也会被排挤出去;
同样的效果兄弟集也一样试用!
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
#box0 {
height:30px;
background: green;
}
#box1 {
width:200px;
background: red;
border:1px solid red;
height: 200px;
}
#box2 {
width:150px;
height:100px;
background: yellow;
float:left;
}
#c{
width: 100px;
height: 100px;
background: blue;
}
</style>
</head>
<body>
<div id="box0"></div>
<div id="box1">div1
<div id="box2">div</div>
<div id="c"></div>
</div>
</body>
</html>