#menu{
overflow:auto;
}
#menu ul{
list-style:none;
margin:0;
padding:0;
}
#menu ul li{
float:left;
width:100px;
margin-left:10px;
text-align:center;
height:25px;
line-height:25px;
}
#menu ul li a{
background: url(../img/menu_back.png) no-repeat;
width:100px;
height:25px;
display:block;
color: #666;
text-decoration: none;
}
#menu ul li a:hover{
background: url(../img/menu_hover.png) no-repeat;
color:#fff;
}