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

header {
    background-color: #5290d6;
    padding: 20px;
    text-align: center;
}

nav ul {
    display: flex;
    list-style-type: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

nav li {
    margin-right: 20px;
    text-align: center;
}

nav a {
    color: #08309e;
    text-decoration: none;
    text-align: center;
}

main {
    padding: 20px;
}

section {
    margin-bottom: 40px;
    text-align: center;
}

footer {
    background-color: #146da8;
    color: #fff;
    padding: 20px;
    text-align: center;
}