html, body {
    background: black; /* For browsers that do not support gradients */
    background: -webkit-linear-gradient(left top, gray, white); /* For Safari 5.1 to 6.0 */
    background: -o-linear-gradient(bottom right, gray, white); /* For Opera 11.1 to 12.0 */
    background: -moz-linear-gradient(bottom right, gray, white); /* For Firefox 3.6 to 15 */
    background: linear-gradient(to bottom right, gray, white); /* Standard syntax */
    width: 100%;
    height: 100%;
    margin: auto;
    font-family: Arial, Helvetica, sans-serif;
    color: black;
}

.page {
    max-width: 720px;
    margin: auto;
}

.imgHeader {
    margin: 100px 0;
}

.content {
    margin: auto;
    text-align: center;
}

.text3d {    
    color: black;
    text-shadow: 0 3px 0px white;
    font-size: 50px;
    font-weight: bold;   
}