颜色变换菜单

<style type="text/css">
#menu{
font-size:14px;
font-family:Arial, Helvetica, sans-serif;
margin:0px auto;}
#menu ul{
list-style-type:none;
text-align:right;
width:120px;
float:left;
background-color:#deeof9;
 }
#menu ul li{ line-height:30px;
 margin:2px 0px 0px 0px;
 psdding:0px;
   }
#menu ul li a:link,#menu ul li a:visited{
color:#FFFFFF;
display:block;
background-color:#03f;
border-left:#009 15px solid;
text-decoration:none;
  }
#menu ul li a:hover{
 background-color:#009;
    border-left: yellow 15px solid ;
}
</style>