#header{border: 0px black solid; width:100%;}
#sub-header{width:100%;}
#content{float:left; border: 0px green solid; width:100%;}
#primary{float:left; border: 0px red solid; width:49.1%;}
#secondary{float:right; border: 0px blue solid; width:49.1%;}
#pre-footer{clear:both; border: 1px white solid; width:100%;}
#footer{border: 0px black solid; width:100%;}