浏览器滑动条样式

*::-webkit-scrollbar {
  width: 12px;
  height: 12px;
}
*::-webkit-scrollbar-button {
  width: 0px;
  height: 0px;
  display: none;
}
*::-webkit-scrollbar-corner {
  background-color: transparent;
}
*::-webkit-scrollbar-thumb {
  border: 4px solid rgba(0, 0, 0, 0);
  height: 6px;
  border-radius: 25px;
  background-clip: padding-box;
  background-color: rgba(0, 0, 0, 0.30);
}
*{
  scrollbar-width: thin;
}