<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<style>
#div1{
width:
500px;
margin:
0 auto;
border:
10px dotted red
}
#div2{
border:
3px solid yellow;
margin:
0 -
50px
}
</style>
<title>内边距</title>
</head>
<body>
<div id="div1">
<div id="div2">内边距</div>
</div>
</body>
</html>
转载请注明原文地址: https://www.6miu.com/read-46074.html
