body {
    font-family: "Roboto", sans-serif;
    background-color: #f0fff0;
    margin: 0;
    padding: 0;
    color: #333;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 1em;
    text-align: center;
}

nav {
    margin: 0;
    padding: 0;
    text-align: center;
}

nav a {
    margin: 0 15px;
    color: #4CAF50;
    text-decoration: none;
}

main {
    padding: 1em;
    line-height: 1.6;
}

footer {
    background-color: #ddd;
    color: black;
    text-align: center;
    padding: 1em;
    position: fixed;
    width: 100%;
    bottom: 0;
}