.container_12{margin:0 auto;width:860px; background:url(../img/principal.jpg);}

.grid_1,.grid_3,.grid_4,.grid_5,.grid_7,.grid_9,.grid_10,.grid_11,.grid_12{display:inline;float:left;position:relative;margin-left:10px;margin-right:10px}
.grid_1{width:60px}
.grid_2{width:160px}
.grid_3{width:220px}
.grid_4{width:300px}
.grid_5{width:380px; margin-top:80px}
.grid_5b{width:380px}
.grid_6{width:460px}
.grid_7{width:540px}
.grid_9{width:680px}
.grid_11{width:860px; background:url(../img/principal.jpg) no-repeat -80px 0px}
.interna{background: url(../img/interna.jpg) no-repeat -40px 0px}
.interna2{background: url(../img/interna2.jpg) no-repeat -80px 0px}
.interna3{background: url(../img/interna3.jpg) no-repeat -80px 0px}
.grid_10{width:780px}
.grid_12{width:940px}

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

.suffix_1{padding-right:60px}
.suffix_4{padding-right:340px}
.suffix_5{clear:both}
.suffix_5b{padding-top:57px}
.suffix_6{padding-right:480px}
.suffix_7{padding-right:540px}
.suffix_8{padding-right:640px}

.prefix_1{padding-left:60px}


.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{height:1%}