el css es este
a.menubar:link {
color: #333333;
text-decoration:blink;
}
a.menubar:visited {
color:#333333;
text-decoration:blink;
}
a.menubar:hover {
color: #FFFFFF;
text-decoration:blink;
}
Código HTML:
<table width="750" align="center" bgcolor="#E9E9E9">
<tr>
<td width="15" height="19" ><a class="menubar" href="#" >
<div align="center"></div>
</a></td>
<td width="86" onmouseover="this.className='menu'" onmouseout="this.className=''"><div align="center"><a class="menubar" href="#" >Inicio</a></div></td>
<td width="128" onmouseover="this.className='menu'" onmouseout="this.className=''"><div class="menubar" align="center"><a class="menubar" href="#">Acerca De </a></div></td>
<td width="131" bgcolor="#77A5C4" ><div align="center">Contenidos</div></td>
<td width="116" onmouseover="this.className='menu'" onmouseout="this.className=''"><div align="center"><a class="menubar" href="#">Contacto</a></div></td>
<td width="112" onmouseover="this.className='menu'" onmouseout="this.className=''" onclick="ocultar(login)"><div align="center"><a class="menubar" href="#">Log-in</a></div></td>
<td width="110" onmouseover="this.className='menu'" onmouseout="this.className=''"><div align="center"><a class="menubar" href="#">Registrarse</a></div></td>
<td width="16"> </td>
</tr>
</table>
<table width="750" border="0" class="opaco"align="center" cellpadding="0" cellspacing="0">
<tr>
<td height="19" bgcolor="#77A5C4"><table width="738" border="0" align="center" cellpadding="0" cellspacing="0">
<tr>
<td width="66"><div align="center"><a class="cont" href="#">Tecnología</a></div></td>
<td width="168"><div align="center"><a class="cont" href="#">Cienc. Sociales y Humanas</a> </div></td>
<td width="110"><div align="center"><a class="cont" href="#">Politica-Economía</a></div></td>
<td width="127"><div align="center"><a class="cont" href="#">Salud y Medio Amb.</a></div></td>
<td width="88"><div align="center"><a class="cont" href="#">Arte y Diseño</a> </div></td>
<td width="89"><div align="center"><a class="cont" href="#">Ocio-Humor</a></div></td>
</tr>
</table></td>
</tr>
</table>
ese es codigo del menu ke titila, repito ke solo pasa en firefox en explorer anda bien