Globally introduce the scroll bar style

/*定义滚动条宽高及背景，宽高分别对应横竖滚动条的尺寸*/
::-webkit-scrollbar {
  /* width: 1px;
  height: 1px; */
  display: none;
  background-color: #f5f5f5;
}
/*定义滚动条的轨道，内阴影及圆角*/
::-webkit-scrollbar-track {
  border-radius: 8px;
  background-color: #f5f5f5;
}
/*定义滑块，内阴影及圆角*/
::-webkit-scrollbar-thumb {
  /* width: 1px;
  height: 1px; */
  display: none;
  border-radius: 8px;
  background-color: #d2d3d4;
}

* {
  scrollbar-width: thin !important;
  scrollbar-color: #f5f5f5;
}