.loader-bar{position:fixed;top:0;left:0;width:100%;height:3px;background:transparent;overflow:hidden;z-index:10000;opacity:0;transition:opacity .3s ease}.loader-bar.visible{opacity:1}.loader-progress{height:100%;width:30%;background-color:#0070f3;position:absolute;animation:slideForward 1.2s linear infinite}@keyframes slideForward{0%{transform:translateX(-100%)}to{transform:translateX(400%)}}