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

header {
    background-color: #333;
    color: #fff;
    padding: 1rem 0;
    text-align: center;
}

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

nav ul li {
    display: inline;
    margin: 0 1rem;
}

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

main {
    padding: 2rem;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 1rem 0;
    position: absolute;
    bottom: 0;
    width: 100%;
}

form {
    display: flex;
    flex-direction: column;
}

form label {
    margin: 0.5rem 0 0.2rem;
}

form input, form textarea {
    margin-bottom: 1rem;
    padding: 0.5rem;
    border: 1px solid #ccc;
}

form button {
    padding: 0.7rem;
    border: none;
    background-color: #333;
    color: #fff;
    cursor: pointer;
}