<!DOCTYPE HTML>

 <html>

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=utf-8">

 <title>无标题文档</title>

 <style>

 .list{ width:300px;margin:0;padding:0;}

 .list li{ list-style:none;height:30px;border:1px solid #000; font-size:12px; line-height:30px; /* vertical-align:top; */}

 .list a{float:left;}

 .list span{float:right;}

 /*

     IE6，7下li的间隙

     在IE6，7下li本身没浮动,但是li内容有浮动的时候，li下边就会产生几px的间隙

     解决办法: 1.给li加浮动

         2.给li加vertical-align:top;

 */

 </style>

 </head>

 <body>

 <ul class="list">

     <li>

         <a href="#">文字文字文字文字文字</a>

         <span>作者</span>

     </li>

     <li>

         <a href="#">文字文字文字文字文字</a>

         <span>作者</span>

     </li>

     <li>

         <a href="#">文字文字文字文字文字</a>

         <span>作者</span>

     </li>

     <li>

         <a href="#">文字文字文字文字文字</a>

         <span>作者</span>

     </li>

 </ul>

 </body>

 </html>

 <style>

 .box{height:200px;border:2px solid #000; text-align:center;}

 .span1{ width:100px;height:200px;background:Red; display:inline-block; vertical-align:middle;}

 .span2{ width:200px;height:100px;background:blue; display:inline-block; vertical-align:middle;}

 </style>

 </head>

 <body>

 <div class="box">

     <span class="span1"></span>

     <span class="span2"></span>

 </div>

 </body>

 <style>

 .box{border:10px solid #000;background:red;}

 img{ /*vertical-align:top;*/}

 </style>

 </head>

 <body>

 <div class="box">

     <img src="img/pic.jpg" /><img src="img/pic.jpg" /><img src="img/pic.jpg" />

 </div>

 </body>