body { margin: 0 auto; text-align: center; }

div#container { width: 950px; margin: 0 auto; text-align: left; }

/* -- these are within the container -- */
div#header { clear: both; width: 950px; height: 150px; }
div#left { float: left; width: 700px; }
div#right { float: left; width: 250px; }
div#header { clear: both; width: 950px; height: 150px; }