@charset "utf-8";
.grafed {
}

.centro {
    position: absolute;
    width: 800px;
    height: 450px;
    top: 50%;
    left: 50%;
    margin-left: -400px; /* margin is -0.5 * dimension */
    margin-top: -225px; 
	
}

a:link {
    text-decoration: none;
	color: #FF9900;
}

a:visited {
    text-decoration: none;
	color: #FF6600
}

a:hover {
    text-decoration: underline;
}

a:active {
    text-decoration: underline;

}​