.row{ width:auto; overflow:hidden; clear:both; padding:0 0 0 0; /*background-color:grey;*/}

.col{ float:left; margin:0 2% 0 0; width:auto; overflow:hidden;}

/* ie 6 fix */
* html .col{margin-right:0.8%;}
/* end */

.s1{width:6.5%;}
.s2{width:14.9%;}
.s3{width:23.4%;}
.s4{width:32%;}
.s5{width:40.5%;}
.s6{width:48.9%;}
.s7{width:57.5%;}
.s8{width:66%;}
.s9{width:74.5%;}
.s10{width:83%;}
.s11{width:91.5%;}
.s12{ width:100%; margin:0; overflow:hidden; clear:both;}

.s1,.s2,.s3,.s4,.s5,.s6,.s7,.s8,.s9,.s10,.s11{/*background-color:blue;*/}
.s12{/*background-color:red;*/}

.last{margin:0;}