.list_left{position:relative;z-index:2;float:left;}.list_right{position:relative;z-index:2;float:right;}#top_links .button{background:#e4e4e4;margin:0 2px 0 0;}.button{float:left;white-space:nowrap;text-align:left;text-decoration:none;line-height:1.2em;outline:none;margin:0 6px;}.button b{color:#444;display:block;border:solid #aaa;font-weight:400;background:#ddd url(../images/pics/links.gif) repeat-x 0 0;border-width:1px 0;margin:0 1px;padding:0;}.button b b{background:none;border-width:0 1px;margin:0 -1px;padding:0 5px;}.button b b b{cursor:pointer;border-width:0;margin:0;padding:2px .2em;}.button.current b{z-index:2;background-position:bottom left;font-weight:700;border-color:#888;}