body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header, nav, main, footer {
    padding: 20px;
}

header {
    background-color: #333;
    color: white;
    text-align: center;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 20px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
}

main section {
    margin-bottom: 20px;
}

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

form label {
    display: block;
    margin-bottom: 5px;
}

form input[type="text"],
form input[type="email"],
form textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 10px;
}

form button {
    padding: 10px 20px;
    background-color: #333;
    color: white;
    border: none;
    cursor: pointer;
}

form button:hover {
    background-color: #555;
}