#header {
        position: absolute;
        top: 0px;
        left: 160px;
        width: 600px;
      }
      #sidebar {
        position: absolute ;
        width: 150px;
        top: 260px;
	left: 0px;
      }
      #main {
        position: absolute ;
        width: 600px;
        height: auto;
        top: 160px;
        left: 160px;
      }