* {margin:0; padding:0}
body {
 margin-left: auto;
 margin-right: auto;
 }

#text {margin:50px auto; width:640px}
.hotspot {
 color:#900; padding-bottom:1px; border-bottom:1px dotted #900; cursor:pointer;
 font:11px/1.5 Verdana, Arial, Helvetica, sans-serif; background:#FFF
}

#tt {position:absolute; display:block; background:url(comun/tt_left.gif) top left no-repeat;
 font:11px/1.5 Verdana, Arial, Helvetica, sans-serif; background:#FFF}
#tttop {display:block; height:5px; margin-left:5px; background:url(comun/tt_top.gif) top right no-repeat; overflow:hidden}
#ttcont {display:block; padding:2px 12px 3px 7px; margin-left:5px; background:#666; color:#FFF}
#ttbot {display:block; height:5px; margin-left:5px; background:url(comun/tt_bottom.gif) top right no-repeat; overflow:hidden}