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

nav {
    background-color: #1D2E3B;
    color: #fff;
    padding: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

nav img {
    height: 40px;
}

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

nav li {
    margin-right: 20px;
}

nav a {
    color: #fff;
    text-decoration: none;
}

nav a:hover {
    color: #ccc;
}

section {
    margin: 40px;
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

section h2 {
    margin-top: 0;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
    }

    nav ul {
        flex-direction: column;
    }

    nav li {
        margin-bottom: 10px;
    }

    section {
        margin: 20px;
    }
}