.textos_menu {
	font-family: Verdana, Arial, Helvetica, sans-serif;
	font-size: 10px;
	color: #333333;
	text-decoration: none;
}
.backimage {
}
.tableback1 {
	background-attachment: fixed;
	background-image: url(img/images_topics/background_inst1.jpg);
	background-repeat: no-repeat;
	background-position: right top;
}
.tableback2 {
	background-attachment: fixed;
	background-image: url(img/images_topics/background_inst1.jpg);
	background-repeat: no-repeat;
	background-position: right top;
}
tableback3 {
	background-attachment: fixed;
	background-image: url(img/images_topics/background_inst1.jpg);
	background-repeat: no-repeat;
	background-position: right top;
}
tableback4 {
	background-attachment: fixed;
	background-image: url(img/images_topics/background_inst1.jpg);
	background-repeat: no-repeat;
	background-position: right top;
}