body
{
  background: #1f2836 url('background.png') left 39px repeat-x;
  width: 100%; 
}

#gb_skinmain
{
  width: 1000px; padding: 0 4px;
  background: transparent url('main-bg.png') repeat-y;
  margin: 0 auto;
}

#gbPub728 { margin: 0 auto; height: 90px; overflow: hidden; }