CSS 修改滚动条样式

::-webkit-scrollbar {
  width: 4px;
  height: 14px;
}

::-webkit-scrollbar-track,
::-webkit-scrollbar-thumb {
  border-radius: 999px;
  /*border: 10px solid transparent;*/
}

::-webkit-scrollbar-track {
  /*box-shadow: 1px 1px 5px rgba(0, 0, 0, 0.2) inset;*/
  background: #f0f0f0;
}

::-webkit-scrollbar-thumb {
  min-height: 20px;
  background-clip: content-box;
  /*box-shadow: 0 0 0 5px rgba(0, 0, 0, 0.2) inset;*/
  background: #cdcdcd;
}

::-webkit-scrollbar-corner {
  background: transparent;
}

::-webkit-scrollbar-thumb:hover {
  background: #a8a8a8;
}