body { background: #fff; }

.Site { margin: 0 auto; width: 751px; height: 100%; overflow: hidden; background: #0067ac url(../../../Images/BWI/TestLP11/sidebar_background.jpg) repeat-y;} 

.Site .SiteLeft { width: 229px; float: left; height: 100%; display: inline-block; } 
.Site .SiteRight { width: 520px; float: left; height: 100%; display: inline-block; }