.scrollbox{overflow:hidden;position:relative}.scrollbar{border-radius:.15em;position:absolute;right:.01em;width:.35em;opacity:0;transition:.5s opacity}.scrollbox:hover .scrollbar{opacity:1}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#fafafa}::-webkit-scrollbar-thumb{background:#d0d0d0;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#bebebe}