#overallcontainer {
    background-size: cover;
    background-position: 50% 50%;
    height: 100vh;
    width: 100%;
    overflow: hidden;
    position: relative
}

#waveform {
    cursor: pointer;
    position: relative;
}

#hover {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 10;
    pointer-events: none;
    height: 100%;
    width: 0;
    mix-blend-mode: overlay;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    transition: opacity 0.2s ease;
}

#waveform:hover #hover {
    opacity: 1;
}

#time,
#duration {
    position: absolute;
    z-index: 11;
    top: 80%;
    margin-top: -1px;
    transform: translateY(-50%);
    font-size: 11px;
    background: rgba(0, 0, 0, 0.75);
    padding: 2px;
    color: #ddd;
}

#time {
    left: 0;
}

#duration {
    right: 0;
}