.waps{ background:url(07158.bmp) no-repeat top center fixed; width:1004px; text-align:center; line-height:28px; font-size:12px; font-family:Arial, Helvetica, sans-serif;}

.con{ text-align:left; width:500px; height:400px; margin:0px auto; padding:100px 50px;background:rgba(255, 255, 255, 0.8) none repeat scroll 0 0 !important;filter:Alpha(opacity=80); background:#fff;}//关键代码

.con p{ position:relative;} //关键代码