body {
    text-align: center;
    font-family: Arial, sans-serif;
}

header h1 {
    color: #333;
    margin: 20px 0;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 10px;
    padding: 10px;
    max-width: 1000px;
    margin: 0 auto;
}

.grid-container img {
    width: 100%;
    height: auto;
    border: 2px solid #ddd;
    border-radius: 5px;
    padding: 5px;
}

.background-container {
    background-color: #D0E0EB; /* Pale blue background */
    padding: 20px;
}