.cu-scrollbar{width:100%;height:100%;overflow:hidden;position:relative}.cu-scrollbar__container{height:100%;overflow:auto;scrollbar-width:none}.cu-scrollbar__thumb{position:absolute;transition:opacity .2s;cursor:pointer;z-index:20}.cu-scrollbar.hover .cu-scrollbar__thumb{opacity:0}.cu-scrollbar__thumb.thumby{right:2px;top:0;bottom:0;width:6px}.cu-scrollbar__thumb.thumbx{left:0;right:0;bottom:2px;height:6px}.cu-scrollbar__thumb::after{content:'';position:absolute;display:block;border-radius:4px;background:#909399;opacity:.4;transition:opacity .2s ease-in-out,height .2s ease-in-out,width .2s ease-in-out}.cu-scrollbar__thumb.thumby::after{top:var(--cu-scrollbar-bartop);height:var(--cu-scrollbar-barheight);width:100%}.cu-scrollbar__thumb.thumbx::after{left:var(--cu-scrollbar-barleft);height:100%;width:var(--cu-scrollbar-barwidth)}.cu-scrollbar:hover>.cu-scrollbar__thumb{opacity:1}.cu-scrollbar__thumb:hover::after{opacity:.8}