html {
background-image:url(../img/bg.gif);
}

h1 {
display:none;
}

#centering {
width:600px;
height:60px;
position:absolute;
top:50%;
left:50%;
margin-top:-30px;
margin-left:-300px;
}

#contents {
width:600px;
height:60px;
background-image:url(../img/top.gif);
text-indent:-9999px;
}

#top a {
margin-left:490px;
display:block;
width:90px;
height:60px;
text-indent:-9999px;
background-image:url(../img/top.gif);
background-position:-490px 0px;
}

#top a:hover {
background-position:-490px -60px;
}