body { background-color: #000; color: #fa4; font-family: sans-serif; } audio { min-width: 40em; } #currentTime { background-color: #001; float: right; font-size: 1500%; font-family: "Roboto", "Droid Sans Mono", monospace; } #duration { clear: both; background-color: #001; float: right; font-size: 500%; font-family: "Roboto", "Droid Sans Mono", monospace; } #controls { padding: 1em; } #controls a { font-size: 200%; padding: 0.5em; } #playlist { width: auto; } .current { background-color: #224; } @keyframes pulse { 0% { background-color: #430; } 25% { background-color: inherit; } 75% { background-color: inherit; } 100% { background-color: #430; } } .fin { animation: pulse 1s infinite; }