.menu a {
  display:block;
  border:none;
  background-position:left top;
  background-repeat:no-repeat;
  height:79px; 
}
.menu a:hover { background-position: 0 -80px; text-decoration: none; }
.menu .alt { display:none; }
.menu a#capitulos { background-image: url(http://www.navegaseguro.es/img/menu/m_capitulos.jpg) }
.menu a#registrate { background-image: url(http://www.navegaseguro.es/img/menu/m_registrate.jpg) }
.menu a#avisa { background-image: url(http://www.navegaseguro.es/img/menu/m_avisa.jpg) }
.menu a#hablamos { background-image: url(http://www.navegaseguro.es/img/menu/m_hablamos.jpg) }
.menu a#opina { background-image: url(http://www.navegaseguro.es/img/menu/m_opina.jpg) }

#submenu {
	width:149px;
	position:absolute;
	top:90px;
	margin-left:305px;
	//margin-left:-135px;
	z-index:5;
}
.submenucont {
	padding-left:14px;
	padding-right:14px;
	background-image:url(http://www.navegaseguro.es/img/menu/sm2.jpg);
}
.submenucont a {
	color:#333333;
	font-family:Arial, Helvetica, sans-serif;
	text-decoration:none;
}
.submenucont a:hover {
	text-decoration: underline;
}