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

header {
    background-color: red;
    color: white;
    padding: 1rem 0;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 0;
    margin: 0;
}

nav ul li {
    margin: 0 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}

.banner {
    background-color: yellow;
    text-align: center;
    padding: 5rem 1rem;
    color: green;
}

section {
    padding: 2rem 1rem;
    text-align: center;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 1rem;
}

.gallery-grid img {
    width: 100%;
    border-radius: 10px;
}

footer {
    background-color: green;
    color: white;
    text-align: center;
    padding: 1rem 0;
}