.mainContent { float:left; width:613px; margin-right:24px;}
.sobreaside { float:left; width:327px;}
.aside { float:left; width:327px;}

.col-1, .col-2, .col-3 { float:left;}

/*======= index.html =======*/
#page1 #content .col-1 {width:296px; margin-right:21px;}
#page1 #content .col-2 { width:296px;}

/*======= index-1.html =======*/
#page2 #content .col-1 {width:296px; margin-right:21px;}
#page2 #content .col-2 { width:296px;}