body {
    font-family: Arial, sans-serif;
    background: #f9f9f9;
    color: #333;
    text-align: center;
    margin: 0;
    padding: 50px;
}

.container {
    background: #fff;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
    display: inline-block;
}

h1 {
    color: #0066cc;
    margin-bottom: 20px;
}

.download-btn {
    display: inline-block;
    padding: 12px 20px;
    background: #0066cc;
    color: white;
    text-decoration: none;
    border-radius: 8px;
    margin-top: 20px;
    font-weight: bold;
}

.download-btn:hover {
    background: #004999;
}