body { background: #000; }

  frameset { border: none; margin:0; padding:0; }
  frame { border: none; margin:0; padding:0;  }

  .left-frame  { background: #000 url('frame/right.gif') repeat-y top right; }
  .right-frame { background: #000 url('frame/left.gif')  repeat-y top left;  }
  .bottom-frame img { display: block; margin: auto; } 
  .left-frame, .right-frame, .bottom-frame { margin:0; padding: 0; }