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

.container {
    width: 80%;
    margin: 0 auto;
}

header {
    background-color: #333;
    color: white;
    padding: 10px 0;
}

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

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

header nav ul li a {
    color: white;
    text-decoration: none;
}

footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 10px 0;
}

main {
    padding: 20px 0;
    background-color: white;
    margin-bottom: 20px;
}

form input {
    display: block;
    margin: 10px 0;
    padding: 10px;
    width: 100%;
}

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

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