*::-webkit-scrollbar {width: 6px;height: 6px;background: transparent;}*::-webkit-scrollbar-thumb {/*background: transparent;*/border-radius: 6px;background-color: rgba(210,210,210,.3);/*visibility: hidden;*/opacity: 1;transition:visibility 3s, opacity 3s;}*:hover::-webkit-scrollbar-thumb {visibility: visible;opacity: 1;background-color: rgba(210,210,210,1);}*:hover::-webkit-scrollbar-track {background: transparent;}::-webkit-scrollbar-thumb:hover {background-color: #bababa;}