body { background: #9c6; }
#page-wrap { width: 900px; position: relative; }
#page-wrap:after { content: "Wide Layout"; }
#main-content { float: left; width: 440px; height: 300px; margin-left: 218px; }
#secondary-one { width: 170px; height: 300px; position: absolute; left: 0; top: 67px; }
#secondary-two { float: right; width: 153px; height: 300px; }