CSS给图片签名position:relative;

<style> 
 #block1{position:relative;}
 #block2{color:red; 
    position:relative;left:255px;top:-20px;z-index:1;}
</style>
<div><br />
 <div id="block1"><img src="building4.jpg"/></div>
  <div id="block2">涂磊印</div>
</div>