.container_12{width:960px; margin:0 auto;}
.grid_1, .grid_2,
.grid_3, .grid_4,
.grid_5, .grid_6,
.grid_7, .grid_8,
.grid_9, .grid_10,
.grid_11, .grid_12{ float:left; margin-right:10px; margin-left:10px;}

.grid_1{width:60px;}
.grid_2{width:140px;}
.grid_3{width:220px;}
.grid_4{width:300px;}
.grid_5{width:380px;}
.grid_6{width:460px;}
.grid_7{width:540px;}
.grid_8{width:620px;}
.grid_9{width:700px;}
.grid_10{width:780px;}
.grid_11{width:860px;}
.grid_12{width:940px;}


.clear {clear:left;}