body {
    background-color: #f5f5f5;
}

.navigation {
    margin-top: 20px;
    margin-bottom: 40px;
}

.content-card {
    background: linear-gradient(135deg, #e8f5e9, #ffffff);
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}

.content-card h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 25px;
    text-align: center;
}

.content-card p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #333;
    text-align: justify;
    margin-bottom: 20px;
}

.content-card a {
    color: #198754;
    font-weight: 600;
    text-decoration: none;
}

.content-card a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .content-card {
        padding: 25px 15px;
    }
}

.image-grid img {
    width: 80%;
    max-width: 250px;
    margin: 0 auto;
}