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

header {
    background-color: #0074cc;
    color: #fff;
    text-align: center;
    padding: 20px;
}

nav ul {
    background-color: rgb(204, 201, 201);
    color: #fff;
    text-align: center;
    list-style: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

main {
    padding: 20px;
}

section {
    margin-bottom: 20px;
}

h2 {
    color: #0074cc;
}

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

ul li {
    margin-bottom: 10px;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px;
}