<style>
.out {
position:relative;
background:#bbb;
margin:10px auto;
width:285px
}
.in {
background:#fff;
border:1px solid #555;
padding:10px 5px;
position:relative;
top:-5px;
left:-5px;
}
</style>
<div class="out"> <div class="in" > <img src="http://www.webjx.com/img/200406301.jpg" alt="" /> </div></div>
<style>
.out {
position:relative;
background:#bbb;
margin:10px auto;
width:165px
}
.in {
background:#fff;
border:1px solid #555;
padding:10px 5px;
position:relative;
top:-5px;
left:-5px;
}
</style>
<div class="out"> <div class="in" > <img src="http://www.webjx.com/img/200406301.jpg" alt="" /> </div></div>
[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]
