body {
    font-family: Arial, sans-serif;
    background-color: #f9f9f9;

    padding: 20px;
    color: #333;
}

.menu {
    background-color: #0078D7;
    padding: 10px;
    margin-bottom: 20px;
    text-align: center;
}

.menu a {
    color: white;
    margin: 0 15px;
    text-decoration: none;
}

.menu a:hover {
    text-decoration: underline;
}

form {
    background-color: #ffffff;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0px 0px 10px rgba(0,0,0,0.1);
}