#contenido
{
	width:563px;
	height:495px;
	position:absolute;
	top:50%;
	left:50%;
	margin-top: -247px;
    margin-left: -281px;
}

#contenido A, img
{
	border:none;
	outline:none;
}

#ulEntrar
{
	padding:0px;
	margin:0px;	
	width:45px;
	position:relative;
	left:266px;
	
}

ul#ulEntrar li {
	list-style: none;
}

#botEntrar a
{
	width:45px;
	height:25px;
	background-image:url(../imagenes/entrar.gif);
	background-position:top center;
	display:block;
}

#botEntrar a:hover
{
	width:45px;
	height:25px;
	background-image:url(../imagenes/entrar.gif);
	background-position:bottom center;
	display:block;
}