::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}

::-webkit-scrollbar-track-piece {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: #7a7a7a;
  border-radius: 2px;
}

::-webkit-scrollbar-corner {
  background: #999;
}

::-webkit-scrollbar-thumb:window-inactive {
  background: #888;
}