html,body{margin:0;padding:0;width:100%;height:100%}#outer{position:absolute;left:0;top:33%;width:100%;height:0}#female,#plus,#male{position:absolute;top:-70px;text-indent:-9999px}#female,#male{height:140px}#female{background:url(female.png) right center repeat;left:0;right:46.25%;margin-right:127px}#male{background:url(male.png) left center repeat;left:53.75%;right:0;margin-left:116px}#plus{background:url(plus.png) center center no-repeat;left:53.75%;width:283px;height:170px;margin-left:-141px}