h3 { width: 258px; height: 407px; overflow: hidden; }

h3 a { text-indent: -5000px; display: block; width: 258px; height: 407px; position: relative; background-position: 0 0; }

h3 a span { display: block; position: absolute; top:0; left:0; width: 258px; height: 407px; background-position: -258px 0; visibility: hidden; }

h3 a:focus, h3 a:hover { cursor: pointer; }

#entrance a, #entrance a span { background-image: url('entrance.gif'); }