* { margin: 0; padding: 0; }
body { background-color: #eee; color: #3e4040; }
body, html { height: 100%; }
span { background-image: url(dechanet.png); display: block; height: 105px; left: 50%; margin-left: -285px; margin-top: -55px; position: absolute; text-align: center; text-indent: -9999px; top: 50%; width: 570px;}
a { text-decoration: none; color: #999; position: absolute; display: block; text-align: center; top: 75%; width: 250px; margin-left: -135px; margin-top: -55px; left: 50%; }