<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title> 青铜级盒子案例 </title>
<style type="text/css">
body{
width:500px;
height:500px;
border:1px solid red;/*边框*/
}
#div-box1{
width:100px;
height:100px;
border:1px solid blue;
margin:10px 0 0 10px;/*距离边框的距离*/
}
#div-box1 img{
width:80px;
border:1px solid black;
margin:10px 0 0 10px;
}
</style>
</head>
<body>
<div id="div-box1">
</div>
</body>
</html>
总结
1:border和margin 是上右下左的顺时针顺序;
QQ截图20170122191815.png
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