#sse50 
{
    border: solid 1px black;
    background-color:#444;
    padding:0px;/*changing its value will give menu margins to its container*/
    
    border-radius: 4px;
    -moz-border-radius: 4px;
    -webkit-border-radius: 4px;
}
#sses50
{
    border-right: solid 1px #777;
    margin: 0 15%;/*If you don't want the menu center aligned, remove this line and above text-align:center*/
    font-size:0;    
    box-sizing:content-box;
}
        
#sses50 ul, #sses50 li
{
    display: inline;
    list-style-type: none;padding: 0;margin: 0;border:0;background-image:none;
}
        
#sses50 a
{
    text-align:left;
    display: inline-block;
    font: normal 11px Verdana;
    background: url('mb50_2.gif') no-repeat left top;
    padding: 10px 20px;/*This defines the size of each menu item*/
    color: white;
    text-decoration: none;
}
        
#sses50 a:hover, #sses50 a.current
{
    background-position: 0% -60px;
    color: white;
}