//裁剪成白色哈，border的属性比如solid之类的不会裁剪。
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>background-clip</title>
<link rel="stylesheet" type="text/css" href="css/reset.css"/>
<style type="text/css">
div{
width: 200px;
height: 100px;
border:20px dashed rgba(0,0,0,.8);
background:url(images/king.jpg) no-repeat pink;
padding:30px;
margin:20px;
}
.box1{
background-clip:border-box;/*border以外的部分裁剪*/
}
.box2{
background-clip:padding-box;//padding以外的
}
.box3{
background-clip:content-box;
}
</style>
</head>
<body>
<div class="box1">box1</div>
<div class="box2">box2</div>
<div class="box3">box3</div>
</body>
</html>
