用DIV套DIV实现水平居中布局和背景图片平铺!(示例)

        
       #login
       {
          width:100%;
          height:345px;
          background-color:#e2e8c4;
       	}   
          
       #login div
       {
          /* background-color:Green; */
          height:345px; 
          width:1280px; 
          margin:0 auto; /*水平居中*/  
          padding-top:0px;
          background-image:url(images/login/1_08.gif);background-repeat: no-repeat;background-position: right bottom;
          
       	}