main {
    display: flex;
    flex-direction: column;
    height: 100vh;
    justify-content: center;
    align-items: center;

    gap: 8rem;
}

main .actions {
    display: flex;
    gap: 2rem;
}

main .actions button {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-wrap: wrap;
    align-items: center;
}

main .actions button span {
    transition: all 0.3s ease-out;
    opacity: 1;
}

main .actions button i {
    transition: all 0.3s ease-out;
    opacity: 0;
}

main .actions button.loading span,
main .actions button.audio-playing span {
    opacity: 0;
}

main .actions button.loading i.fa-spinner {
    opacity: 1;
}

main .actions button.audio-playing i.fa-volume-high {
    opacity: 1;
}

main .btn-giant {
    font-size: 3rem;
    padding: 1rem 2rem;
}