body {text-align: center;}
.centra {text-align: left; width: 960px; margin: 0 auto;}
.contFloat {width: 100%; overflow: auto;}
.float {display: inline; float: left; overflow: hidden;}
.right {float: right;}
.clear {clear: both;}
.hide {display: none;}
.relative {position: relative;}
.absolute {position: absolute;}
.img_replace {text-indent: -999px; font-size: .1em;}