.top-loading-bar{position:fixed;top:0;left:0;height:4px;background:linear-gradient(to right,#fff 0% 70%,#fff0);z-index:999999;transition:width .3s ease;box-shadow:0 0 8px #fff9;pointer-events:none}.top-loading-bar.loading{animation:progress-animation 2s infinite linear}@keyframes progress-animation{0%{width:0;opacity:1}50%{width:70%;opacity:1}to{width:100%;opacity:0}}