.grid_1 {width: 75px;}
.grid_2 {width: 150px;}
.grid_3 {width: 225px;}
.grid_4 {width: 300px;}
.grid_5 {width: 375px;}
.grid_6 {width: 450px;}
.grid_7 {width: 525px;}
.grid_8 {width: 600px;}
.grid_9 {width: 675px;}
.grid_10 {width: 750px;}
.grid_11 {width: 825px;}
.grid_12 {width: 900px;}
.column { overflow: hidden;
         float: left;
         display: inline;}
.row {width: 900px;
         margin: 0 auto;
         overflow: hidden;}