.answer-container {
    display: none;
    opacity: 0;
    height: 0;
    transition: opacity 0.3s ease, display 0.3s ease, height 0.3s ease;
    transition-behavior: allow-discrete;
}

.answer-container.open {
    display: block;
    opacity: 1;
    height: 1;

    @starting-style {
        opacity: 0;
        height: 0;
    }
}