body {margin:0; padding:0; background:gray;}
#wrapper {margin:0 auto; width:991px;}

#alpha-div {display:none; position:absolute; background:#fff; width:100%; height:100%; top:0; left:0; z-index:99; opacity: .7; filter: alpha(opacity=70);}
#con-attention {display:none; position:absolute; width:100%; height:100%; top:0; left:0; z-index:99;}
.attention {margin:200px auto; height:260px; width:360px; z-index:100;}
.att-top {float:left; background:url(../img/att-top.gif) 0 0 no-repeat;}
.att-top img {border:0;}
.att-flash {float:left;}
.att-close {margin-right:10px; float:right; padding:0;}
.att-close img{float:left;}