.container_12{margin-left:auto;margin-right:auto;width:960px}

.grid_1,
.grid_2,
.grid_2b,
.grid_3,
.grid_4,
.grid_5,
.grid_6,
.grid_7,
.grid_7b,
.grid_8,
.grid_9,
.grid_10,
.grid_11,
.grid_12{display:inline;float:left;position:relative;margin-left:10px;margin-right:10px}

.container_12 .grid_3{width:220px}
.container_12 .grid_6{width:460px}
.container_12 .grid_9{width:700px}
.container_12 .grid_12{width:940px}

.container_12 .grid_1{width:60px}
.container_12 .grid_2{width:140px}
.container_12 .grid_4{width:300px}
.container_12 .grid_5{width:380px}
.container_12 .grid_7{width:540px}
.container_12 .grid_8{width:620px}
.container_12 .grid_10{width:780px}
.container_12 .grid_11{width:860px}

.alpha{margin-left:0}
.omega{margin-right:0}

.clear{clear:both;display:block;overflow:hidden;visibility:hidden;width:0;height:0}
.clearfix:after{clear:both;content:'';display:block;font-size:0;line-height:0;visibility:hidden;width:0;height:0}
* html .clearfix,
*:first-child+html .clearfix{zoom:1}