WEB笔记滚动条样式修改

/* customize scrollbar */
::-webkit-scrollbar {
  width:  .6em;
  height: .6em;
}

::-webkit-scrollbar-thumb {
background: rgba(155, 155, 155, 0.4);
border-radius: .6em;
}
::-webkit-scrollbar-thumb:hover {
background: rgba(155, 155, 155, .6);
}

::-webkit-scrollbar-track {
background: transparent;
background: rgba(200, 200, 200, .2);
}