.swp-player-wrapper {
    background:#111;
    color:#fff;
    padding:20px;
    border-radius:10px;
}

.swp-track {
    padding:8px;
    cursor:pointer;
    border-bottom:1px solid #333;
}

.swp-track:hover {
    background:#222;
}

#waveform {
    margin-top:20px;
}

.swp-controls {
    margin-top:15px;
}