body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background: #f4f4f4;
    color: #333;
}

header {
    background: #007BFF;
    color: white;
    padding: 20px 0;
    text-align: center;
}

nav {
    text-align: center;
    padding: 10px 0;
    background: #e2e2e2;
}

nav a {
    margin: 0 10px;
    color: #333;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    color: #007BFF;
}

main {
    padding: 20px;
}

section {
    margin-bottom: 30px;
    background: white;
    padding: 15px;
    border-radius: 5px;
}

footer {
    text-align: center;
    padding: 15px 0;
    background: #333;
    color: white;
}