#page { width: 1040px; }

#content { float: left; display: inline; width: 960px; margin-left: 0; margin-right: -960px; }
.sidebar-second #content { width: 720px; margin-left: 0; margin-right: -720px; }
.sidebar-first #content { width: 720px; margin-left: 240px; margin-right: -960px; }
.two-sidebars #content { width: 480px; margin-left: 240px; margin-right: -720px; }

#sidebar-first { float: left; display: inline; width: 240px; margin-left: 0; margin-right: -240px; }
#sidebar-second { float: left; display: inline; width: 240px; margin-left: 720px; margin-right: -960px; }

#sidebar-first .section { margin: 10px 20px 0 0; }
#sidebar-second .section { margin: 10px 0 0 20px; }