/* set millions of background images */
.rbroundbox { background: url(http://www.retirementcommunity.com/images/css/css_nt.gif) repeat; }
.rbtop div { background: url(http://www.retirementcommunity.com/images/css/css_tl.gif) no-repeat top left; }
.rbtop { background: url(http://www.retirementcommunity.com/images/css/css_tr.gif) no-repeat top right; }
.rbbot div { background: url(http://www.retirementcommunity.com/images/css/css_bl.gif) no-repeat bottom left; }
.rbbot { background: url(http://www.retirementcommunity.com/images/css/css_br.gif) no-repeat bottom right; }

/* height and width stuff, width not really nessisary. */
.rbtop div, .rbtop, .rbbot div, .rbbot {
width: 100%;
height: 7px;
font-size: 1px;
}
.rbcontent { margin: 0 7px; }
.rbroundbox { width: 100%; margin: 1em auto; }