body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #f2f2f2;
    text-align: center;
    padding: 20px 0;
}

header img {
    max-width: 200px;
}

.container {
    text-align: center;
    padding: 20px;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 10px;
    padding: 20px;
}

.gallery img {
    max-width: 100%;
}