Shell-Titlebar {

  background-color: #339bb4;
  background-gradient-color: #000000;
  background-image: gradient( linear, left top, left bottom, 
  from( #99cdda ), to( #339bb4 )
 );
  padding: 2px 5px 2px;
  margin: 0px;
  height: 22px;
  color: #ffffff;
  font: 12px Verdana, "Lucida Sans", Arial, Helvetica, sans-serif;
  border: none;
  border-radius: 1px 1px 0px 0px;
  text-shadow: none;
}

Shell-Titlebar:inactive {
  background-color: #7996a5;
  background-gradient-color: #7996a5;
  color: #aaaaaa;
  background-image: gradient( linear, left top, left bottom,
                              from( #000000 ), to( #ffffff ) );
}