#fullscr-grabber {
  min-height: 5px;
  height: 5px;
  display: none;
  -moz-appearance: none;
  border-bottom: 1px solid black;
}

#Bluegriffon:not([forcetoolbars])[fullscreen] toolbar {
  display: none !important;
}

#Bluegriffon:[forcetoolbars][fullscreen] toolbar {
  display: -moz-box !important;
}

#Bluegriffon[fullscreen][forcetoolbars] #fullscr-grabber {
  display: none !important;
}

#Bluegriffon[fullscreen] #fullscr-grabber {
  display: -moz-box !important;
}