body {
}

#mainnav    {   font-size:12px;
                font-family:Arial, Verdana, Sans-Serif;
                text-align:center;
            }
            
#mainnav a  {   display:block;
                width:110px;
                padding:2px;
                background-color:#ffffcc;
                border:1px solid gray;
                color:Black;
                text-decoration:none; 
                font-weight:bold;          
}

#mainnav a:hover    {   background-color:Silver;
}

#mainnav a:visited  {   color:Black;}