body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
header {
    background-color: #222;
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
}
nav a {
    color: white;
    text-decoration: none;
}
main {
    padding: 2rem;
}
img {
    max-width: 100%;
    height: auto;
    margin-bottom: 1rem;
}