.container{display:flex;justify-content:center;align-items:center;background:transparent}.progress-bar{width:100%;height:100%}.flowling-light{height:4px;width:80px;background:linear-gradient(90deg,transparent,#fff);position:absolute}@keyframes left_to_right{0%{left:-80px}to{left:calc(100% + 80px)}}@keyframes right_to_left{0%{right:-80px}to{right:calc(100% + 80px)}}