body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #f8f8f8;
    text-align: center;
}

header {
    background: #0078ff;
    color: white;
    padding: 15px;
}

.gallery {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    padding: 15px;
}

.gallery img {
    width: 100%;
    max-width: 300px;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

footer {
    background: #333;
    color: white;
    padding: 10px;
    margin-top: 20px;
}