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

header {
    background: #007b5e;
    color: white;
    text-align: center;
    padding: 15px;
}

header img {
    max-height: 400px;
    width: 100%;
    object-fit: cover;
}

nav {
    background: #333;
    padding: 10px;
    text-align: center;
}

nav a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
}

nav a:hover {
    text-decoration: underline;
}

main {
    padding: 20px;
    text-align: center;
}

.grid {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 20px;
}

.grid div {
    width: 200px;
}

.grid img {
    width: 100%;
    border-radius: 10px;
    transition: 0.3s;
}

.grid img:hover {
    transform: scale(1.05);
}

footer {
    background: #007b5e;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}