a.nav, a.nav:link, a.nav:visited 
{display:block; width:160px; height:20px; 
background:#e1dfdf; border:1px solid #000; 
margin-top:1px; text-align:left; padding:4px; text-decoration:none; 
font-family:verdana, arial, sans-serif; 
font-size:12px; color:#273a5b; 
line-height:20px;}
a.nav:hover {font-style:italic; color:#fff; background:#273a5b;}
a.nav:active {color:#fff; background:#c0c0c0;}