*{padding:0;margin:0}
.clearfix{*zoom:1;}
.clearfix:after{content:"";display:table;clear:both;}
#slide {
  color:#FFF;
  width:620px;
  ul {
    overflow: hidden;
  }
    li {
      list-style:none;
      float: left;
      width: 200px;
      height: 100px;
      background:red;
      margin:2px;
      }
    }
}