* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f4f4;
    padding: 20px;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #333;
}

#gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
    padding: 10px;
}

.thumb {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    background: #fff;
    transition: transform .2s;
}

.thumb:hover {
    transform: scale(1.05);
    z-index: 1;
}

.thumb a {
    display: block;
    width: 100%;
    height: 100%;
}

.thumb img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}