body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
}

header {
    background-color: #1a73e8;
    color: white;
    padding: 20px 0;
    text-align: center;
}

header h1 {
    margin: 0;
}

nav {
    background-color: #0c51b8;
}

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

nav ul li {
    margin: 0 15px;
}

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

nav ul li a:hover {
    text-decoration: underline;
}

main {
    padding: 40px;
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
}

footer {
    background-color: #1a73e8;
    color: white;
    text-align: center;
    padding: 20px 0;
    margin-top: 20px;
}