css定位 双飞翼
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>双飞翼</title>
<style>
.top{
position:fixed;
height:100px;
background-color:#F09;
left:10px;
right:10px;
top:10px;
}
.left{
position:fixed;
width:100px;
background-color:#0F0;
left:10px;
bottom:10px;
top:120px;
}
.right{
position:fixed;
background-color:#F00;
right:10px;
bottom:10px;
top:120px;
left:120px;
}
</style>
</head>
<body>
<div class="top"></div>
<div class="left"></div>
<div class="right"></div>
</body>
</html>
