#map_canvas {width: 460px; height: 500px; margin: 0 8px 8px 0; float:left}
#site_list {height: 500px; font-size: 13px; font-family: Arial, sans-serif; overflow: auto}
.site_element {padding-left: 5px; padding-right: 10px; white-space: nowrap}
#site_list .Highlighted {background-color: #f0f0f0}
#site_list {width: 485px} /* set width to avoid horizontal scrollbar */
/*#site_list {padding-right: 20px}*/ /* required to avoid horizontal scrollbar, but background highlight of divs doesn't stretch all the way across */