.map-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.map-thumbnail {
    text-align: center;
    font-family: sans-serif;
    background: #f0f0f0;
    border-radius: 8px;
    padding: 10px;
}

.map-thumbnail img {
    width: 250px;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}