*,::after,::before{box-sizing:border-box}progress{position:fixed;left:0;top:0;-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:.25em;border:none;background-color:transparent;color:red}progress::-webkit-progress-bar{background-color:transparent}progress::-webkit-progress-value{background-color:red}progress::-moz-progress-bar{background-color:red}