body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
    line-height: 1.6;
}

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

h1 {
    margin-bottom: 0.5rem;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    background-color: #444;
}

nav ul li a {
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

nav ul li a:hover {
    background-color: #575757;
}

main {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
    background-color: white;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.introductie, .contact, .company-info, .downloads-content, .apps-list, .payments-info {
    padding: 2rem;
}

.app-item {
    border-bottom: 1px solid #ccc;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

button {
    padding: 0.75rem 1.5rem;
    background-color: #007BFF;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
}

button:hover {
    background-color: #0056b3;
}

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