body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.container {
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    padding: 20px;
    max-width: 600px;
    width: 100%;
    text-align: center;
}

header {
    margin-bottom: 20px;
}

h1 {
    margin: 0;
    color: #333;
}

p {
    color: #666;
}

.file-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.file-link {
    background-color: #007BFF;
    color: #fff;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.file-link:hover {
    background-color: #0056b3;
}

footer {
    margin-top: 20px;
    color: #999;
}