body {
    font-family: sans-serif;
    margin: 0;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
}

header {
    background: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

.photo-gallery {
    display: grid;
    /* This creates a responsive grid that automatically adjusts column numbers */
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1rem; /* Space between photos */
    padding: 1rem;
    max-width: 1200px;
    margin: auto;
}

.photo-item {
    background-color: #fff;
    border: 1px solid #ddd;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    overflow: hidden;
}

.photo-item img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.photo-item img:hover {
    transform: scale(1.05); /* Slightly enlarges the photo on hover */
}

footer {
    text-align: center;
    padding: 1rem 0;
    background: #333;
    color: #fff;
    margin-top: 2rem;
}