html { 
  background-color: #fc6; 
}
div#wrapper { 
  background-color: #fc6;
 }
div#outer {
  margin:0 8% 0 36%; /* The % figures facilitate the widths of the side columns but you must also adjust left_side_bar and right_side_bar widths */
  border:none;
  border-width:0 1px;
}
div#top-bar {
  width: 100%;
  border: none;
  background-color: #99c;
}

div#inner {
  float:left;
  width:99%;
}
div#content {
  float:right;
  width:99%;
}