#menu{
width:500px;
height:30px;
float:right;
}
#menu ul{
list-style:none;padding:0px 0px 0px 20px;margin:0px;display:block;
}
#menu ul li{
list-style:none;display:inline;float:left;width:64px;padding:0px 10px 0 10px;
}
#menu ul li a.tooltip{
height:20px;float:left;text-decoration:none;position:relative;z-index:24;
}
#menu ul li a.tooltip:hover{z-index:25;
}
a.tooltip span{display: none}

a.tooltip:hover span{
font-family:Arial, Helvetica, sans-serif; 
display:block;
position:absolute;
top:-40px; left:-10px;
width: auto;
height: auto;
border:1px solid #0cf;
background-color:#fff;
padding:5px;
color:#000;
text-align: center;
}