.round_top{width: 650px; margin: 30px auto; _margin-bottom: 0;}
.round_top .left{float: left; margin-top: -5px;}
.round_top .middle{float: left; border-top: solid 1px #ccc; width: 607px;}
.round_top .right{float: right; margin-top: -5px;}

.round_bottom{width: 649px; margin: 18px auto; _margin: 0 auto;}
.round_bottom .left{float: left; margin-top: -14px; _margin-top: 5px;}
.round_bottom .middle{float: left; border-bottom: solid 1px #ccc; width: 606px;}
.round_bottom .right{float: right; margin-top: -14px; _margin-top: 5px;}