[33--CSS] absokute 绝对定位
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
* {margin: 0}
.a{width:400px;
height: 400px;
background-color: black}
.b{width: 400px;
height: 400px;
background-color: gold;
position: relative;
float: right;
}
.c{ width: 200px;
height: 200px;
background-color: red;
position: absolute;
top:400px;
left: 30px;
}
</style>
</head>
<body>
<div class="a"></div>
<div class="b">
<div class="c"></div>
</div>
</body>
</html>
