::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}

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

body::-webkit-scrollbar-track-piece {
  background-color: white;
}

::-webkit-scrollbar-track-piece:no-button {}

::-webkit-scrollbar-thumb {
  background-color: #7D7D7D;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background-color: #999;
}

::-webkit-scrollbar-thumb:active {
  background-color: #666;
}