body {
       width:1100px;
       margin-left: 200px;
       margin-right:200px;
      }
.hui-ziti     {color: #8E8E8E;  /*灰字体*/}
div   {border:1px solid #c8c8c8;
       }
.none-border {border:0;
                       }

marquee {color:#FF0000;
        }

a      {text-decoration: none;
        }

header    {
                border-bottom:1px solid #c8c8c8;
                position: relative;
                top: 10px;
               }

.nav-right {
                 position: absolute;
                 top: 0;
                 right: 0;
         }

.tu-right {    /*广告区图片位置定位单元*/
                 position: absolute;
                 top:270px;
                 left: 1000px;
         }
H2    {text-align:center;}

aside     {  position: absolute;
                 top: 460px;
                 right: 10px; }

footer     {background-color: #E0E0E0; /*网站底部背景灰色*/
                 color: #8E8E8E;  /*灰字体*/
                    text-align: center;
                    height: 100px;
                     }
.center  { text-align: center;}