<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style>
a1{
position:relative;//可以不设置
}
a1 img{
position:absolute;
z-index:-1; //主要试这个属性 -1
}
</style>
</head>
<body>
<div class="a1">
<img src="hello.jpg"/>
<div>随便</div>
</div>
</body>
</html>
将img设置成div的背景
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转载自blog.csdn.net/meiwan123/article/details/83185401
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