// Much learning from: // http://css-tricks.com/html5-progress-element/ @progress-height: .25rem; progress { height: @progress-height; -webkit-appearance: none; background-color: fade(@text-color, 10%); -webkit-animation: animate-stripes 5s linear 6; // stop animation after 6 runs (30s) to limit CPU usage } progress::-webkit-progress-bar { background-color: transparent; } progress::-webkit-progress-value { background-color: @base-color; } progress[value] { -webkit-animation: none; } @-webkit-keyframes animate-stripes { 100% { background-position: 100px 0; } }