::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: black;
}

::-webkit-scrollbar-thumb {
  background: white;
}

::-webkit-scrollbar-thumb:hover {
  background: white;
}

::-webkit-scrollbar-track:hover {
  /* background-image: linear-gradient(to bottom, black, purple, darkred, darkblue, darkgreen, red, blue, green, crimson, lightblue, lightgreen, whitesmoke, white); */
  background: darkred;
}

::-webkit-scrollbar-button {
  background: blue;
}