body,ul{
    margin: 0;
    padding: 0;
}
ul li{
    list-style: none;
}
a{text-decoration: none;}    
a:visited{text-decoration: none;}    
a:hover {text-decoration: none;}  
a:active{text-decoration:none;}    
.clearfix{
    zoom:1;
    display:block;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.clearfix:after{
    content:".";
    visibility:hidden;
    display:block;
    height:0;
    clear:both;
  }