window {
    background-color: #000000;
  }

  window#overlay_window {
    background-color: transparent;
  }

  widget {
    background-color: transparent;
  }

  box#gui_main_stbox {
    background-color: #000000;
    color: #FFFFFF;
  }

  box#gui_overlay_stbox {
    background-color: #000000;
    color: #FFFFFF;
  }

  box#gui_main_video {
    background-color: #000000;
  }

  box#gui_overlay_video {
    background-color: transparent;
  }

  box#gui_main_exit {
    background-color: #000000;
  }

  box#gui_overlay_exit {
    background-color: transparent;
  }

  box#gui_main {
    background-color: #000000;
  }

  drawing_area#overlay_draw {
    background-color: transparent;
  }