.first-audio {
    text-align: center;
}

.first-audio .audio-btn-text {
    margin: 2rem 0;
}


.audio-player {
    text-align: center;
    display: flex;
    align-self: center;
    margin: 0 auto 4rem auto;
    opacity: 0.8;
}

#start .audio-btn {
    position: fixed;
    bottom: 1rem;
    top: auto;
    left: 1rem;
    z-index: 10;
    padding: 1rem;
    transform: translate(0);
    display: inline-block;
}

#start .audio-btn .play-pause{
    margin-top: 0;
}

#start .audio-btn .audio-btn-text {
    display: none;
}

@media (min-width: 768px) {

    #start .audio-btn.clicked{
        position: fixed;
        bottom: 2rem;
        top: auto;
        left: 2rem;
        z-index: 10;
        padding: 1.5rem;
        transform: translate(0);
        display: inline-block;
    }

    #start .audio-btn .audio-btn-text {
        display: inline-block;
        opacity: 0.55;
        cursor: pointer;
    }
}


#start .audio-btn.clicked > .audio-btn-text,
#start .audio-btn.clicked .play-pause {
    display: none;
}

#start .audio-btn .play-pause {
    height: 2rem;
    width: 2rem;
    box-sizing: border-box;
    border-style: solid;
    border-width: 1rem 0 1rem 2rem;
    border-color: transparent transparent transparent #d6d6d6;
    transition: all 100ms ease-in-out;
    text-indent: -99999rem;
    opacity: 0.45;
    cursor: pointer;
}

#start .audio-btn.clicked .play-pause.pause {
    display: inline-block;
}

#start .audio-btn .play-pause.pause {
    border-style: double;
    border-width:0 0 0 2rem;
    cursor: pointer;
}