.welcome-toggle {
    width: 100%;
    padding: 15px;
    font-size: 1.1rem;
    font-weight: bold;
    cursor: pointer;
    border: none;
    background: #734741;
    color: white;
    /*border-radius: 8px;*/
    /*margin-bottom: 10px;*/
}

.welcome-card {
    max-height: 0;
    overflow: hidden;
    transition: max-height 1.0s ease;
}

.welcome-card.open {
    max-height: 2500px; /* ausreichend groß */
}