#aufgabe_fuer_gpt {
    position: relative; 
    border: 1px solid #ccc; 
    padding: 10px; 
    border-radius: 5px; 
    width: 500px; 
    background: #f9f9f9;
}

#kartenContainer {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
}

.karte {
    width: 120px;
    height: 180px;
    border: 2px solid #333;
    border-radius: 10px;
    background-color: white;
    box-shadow: 2px 2px 8px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    cursor: pointer;
    user-select: none;
    transition: transform 0.2s;
}