/* bodyArea */
#bodyArea{width:100%; margin:0; height:1866px; padding:0;background:url(http://image.rohan.jp/event/20120314_netcafe/images/20120314_bg.jpg) repeat center 0px; }
#wrap {z-index:1;position:relative;width:800px; top:639px;margin:0 auto 0; padding-bottom:0px;}

/*button*/
#btn{z-index:12;position:relative;top:350px;left:280px;width:500px;height:0px;}
#btn a{text-indent:-9999px;display:block;width:500px;height:75px;background:url(http://image.rohan.jp/event/20120314_netcafe/images/bt.png) repeat center 0px; }
#btn a:hover{background-position:0 -75px;}