body {
    background-color: #f0f0f0;
    color: #333333;
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
}

h1, h2, h3 {
    color: #005500;
}

a {
    color: #008800;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

nav {
    background-color: #c9ffd1;
    padding: 10px;
}

footer {
    background-color: #005500;
    color: #ffffff;
    text-align: center;
    padding: 20px;
    position: fixed;
    bottom: 0;
    width: 100%;
}

button {
    background-color: #008800;
    color: white;
    border: none;
    padding: 10px 20px;
    cursor: pointer;
}

button:hover {
    background-color: #006600;
}