body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f9;
    color: #333;
    padding: 20px;
}
h1 {
    color: #0056b3;
}
.jquery-test {
    padding: 10px;
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    margin-top: 20px;
    display: none; /* Wordt door jQuery direct zichtbaar gemaakt! */
}