* {
	margin: 0;
}
html, body {
	height: 100%;
}
.wrapper {
	min-height: 100%;
	height: auto !important;
	height: 100%;
	margin: 0 auto -180px; /* the bottom margin is the negative value of the footer's height */
}

.footer, .push {
	height: 180px; /* .push must be the same height as .footer */
}


body {
	text-align: center;
}
.wrapper {
	position: relative;
	width:100%;
	font-size: 0.9em;
	margin: 0 auto -180px;
	text-align: left;
}

.footer {
	position: relative;
	width: 100%;
	margin: 0 auto;
	background: url(../imagenes/principales/fondo_footer1.png) no-repeat bottom center;
}