.contorno_preto {
	border: 1px solid #999999;
}
a:link {
	color: #000000;
	text-decoration: none;
}
a:visited {
	color: #000000;
	text-decoration: none;
}
a:hover {
	color: #000000;
	text-decoration: underline;
}
a:active {
	color: #000000;
	text-decoration: none;
	text-align: center;
}