/* 2 Col F Con Side+Xtra */
#sidebarw, #extraw, #footerw{clear:both;}
@media only screen and (min-width:600px){
#container{margin-left:auto; margin-right:auto; max-width:750px;}
#contentw{float:left; width:calc(100% - 180px);}
#sidebarw{clear:right; float:right; width:180px;}
#extraw{clear:right; float:right; width:180px;}
#footerw{width:100%;}
}