.scroll_box{height:60px;width:60px}.scroll_box .scroll{border:2px solid #918e8c;border-radius:60px;height:45px;position:relative;width:24px}.scroll_box .scroll:after{animation:scrollAnimation 2s infinite;background-color:#918e8c;border-radius:6px;content:"";height:9px;left:calc(50% - 3px);position:absolute;top:8px;width:6px}@keyframes scrollAnimation{0%{opacity:0}30%{transform:translateY(0)}70%{opacity:1;transform:translateY(15.5px)}to{opacity:0;transform:translateY(15.5px)}}