.loader{float:left;width:100%;height:5px;position:absolute;top:0;left:0;overflow:hidden}.loader .snake{background-image:linear-gradient(90deg,#c6ffdd,#fbd786,#f7797d);width:100px;height:100%;animation:1s linear infinite crawl;position:relative}@keyframes crawl{0%{left:0%}to{left:100%}}