body {
    font-family: Arial, sans-serif;
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: #f0f0f0;
}

.gallery {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    list-style: none;
    padding: 0;
    max-width: 1200px;
}

.gallery li {
    overflow: hidden;
}

.gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    max-height: 300px;
}