body {
	background-color: #F9FFFB;
}
.centro {
	text-align: center;
	background-position: center center;
	vertical-align: middle;
}
.derecha {
	background-position: right;
	text-align: right;
}
.texto90 {
	font-size: 90%;
}
.texto70 {
	font-size: 70%;
}
.texto50 {
	font-size: 50%;
}
.texto30 {
	font-size: 30%;
}
.izquierda {
	background-position: left;
	text-align: left;
}
.borde0 {
	border-top-width: 0px;
	border-right-width: 0px;
	border-bottom-width: 0px;
	border-left-width: 0px;
	border-top-style: none;
	border-right-style: none;
	border-bottom-style: none;
	border-left-style: none;
}