.card {
    max-height: 420px;
    display: flex;
    flex-direction: column;
}

.card_prompt_container, .card_answer_container {
    flex: 1;
    overflow: auto;
    cursor: pointer;
    padding: 1em;
    text-align: center;
    line-height: 1.4;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
}

.card_prompt_container {
    border-bottom: 1px solid #e0e0e0;
}

.card_prompt_content, .card_answer_content {
    align-self: center;
    align-items: center;
    justify-content: center;
}

.card_prompt_content {
    display: flex;
    overflow-x: auto;
    height: 100%;
}

.card_prompt_content img {
    height: 100%;
    max-width: none;
}

.card_answer_content {
    position: relative;
    transition: color 0.3s ease;
}

.answer-placeholder {
    height: 100px;
    width: 10em;
    height: 1em;
    background-color: gainsboro;
    line-height: 1.0;
    border-radius: 3px;
    margin: 5px 0; /* Adds vertical space between placeholders */
}