div#wrapper div#header{
background: url(/washingtondc/images/whitehouse_hdr.jpg) center 69px no-repeat;
}
div#page_nav a#next{
display: block;
height: 20px;
background: url(/washingtondc/images/history/part_2.png) center top no-repeat;
}
div#page_nav a#prev{
display: block;
height: 20px;
background: url(/washingtondc/images/history/part_1.png) center top no-repeat;
}
div#page_nav a span{
display: none;
}