body{background-color:#FFF;}
#big{position:relative;}
#flash{}
#btn_pro,#btn_part{position:absolute;left:50%;padding-left:8px;font-size:12px;color:#007079;text-decoration:none;_left:425px;}
#btn_part{top:400px;_top:397;}
#btn_pro{top:420px;_top:417;}