#progress{appearance:none;display:block;width:100%;position:fixed;top:70px;left:0;margin:auto;height:4px;border:0;z-index:1}#progress::-webkit-progress-bar{background:#c9e6d0}#progress::-webkit-progress-value{background:#00D699;transition:width 0.5s ease}#progress::-moz-progress-bar{background:#00D699;transition:width 0.5s ease}