/* CSS for the navigation bar */
header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10 px 0;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 20 px;
}

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

nav ul li a:hover {
    text-decoration: underline;
}
wrapper {
    display: flex;
    flex-wrap: wrap;
}

article {
    background-color: brown;
    border-radius: 0.25 rem;
    margin: 0.5 rem;
    flex: 1;
}
flex-container {
    display: flex;
    align-items: center;
    justify-content: center;
}