body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #e0e0e0;
    color: #333;
}

header {
    background-color: #333;
    color: #e0e0e0;
    padding: 20px;
    text-align: center;
}

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

nav a {
    margin: 0 15px;
    text-decoration: none;
    color: #333;
}

section {
    padding: 20px;
    text-align: center;
    margin-bottom: 80px;
}

footer {
    background-color: #333;
    color: #e0e0e0;
    padding: 10px;
    text-align: center;
    position: fixed;
    width: 100%;
    bottom: 0;
}