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*{margin:0; padding:0;} html,body{ width:100%; height:100%;} body{ background:#fff url(/eg/eg_2014_01_02_14_50.jpg) center no-repeat;} </style>   <div class="wrap"> <h2>让body标签中的背景图片水平垂直居中</h2>     <div class="eg">                <h3>让<body/>标签的背景图片水平垂直居中</h3>         <p>注：设置html,body{ width:100%; height:100%;}</p>     </div> </div> </td>  </tr> </table>