.contenedor {
	height: 520px;
	width: 800px;
	text-align: center;
	background-image: url(../images/a%20fondo_05.jpg);
	background-repeat: no-repeat;
	background-position: center top;
	margin-right: auto;
	margin-left: auto;
	position: relative;
	padding-top: 70px;
}

.imagencentral {
	height: 381px;
	width: 381px;
	margin-left: 220px;
	vertical-align: top;
	float: left;
}
.titulo1 {
	width: 700px;
	margin-top: 40px;
}
.imagen {
	margin-right: 100px;
	text-align: center;
	margin-left: 100px;
	width: 380px;
}
.titulosimple {
	margin-top: 30px;
}
.back {
	text-align: center;
	background-image: url(../images/a%20fondo_05.jpg);
	background-repeat: no-repeat;
	background-position: center top;
}
.botones {
	width: 800px;
	margin-left: auto;
	margin-right: auto;
	margin-top: 0px;
	height: 45px;
	background-image: url(../images/a%20fondo_05.jpg);
	background-repeat: no-repeat;
	background-position: center bottom;
}