scrollbar in pre style

gistfile1.css

/* Thanks Flyosity! */
/* Ref: http://vunction.com/blog/post/node-and-oauth-and-flickr-oh-my */

pre::-webkit-scrollbar {
  width: 8px;
  height: 6px;
}

pre::-webkit-scrollbar-button:start:decrement, pre::-webkit-scrollbar-button:end:increment {
  display: none;
}

pre::-webkit-scrollbar-button:vertical:increment {
  background: transparent;
}

pre::-webkit-scrollbar-track-piece {
  background: transparent;
  -webkit-border-radius: 12px;
}

pre::-webkit-scrollbar-thumb:horizontal {
  width: 50px;
  background: #fde200;
  -webkit-border-radius: 8px;
}