body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0f172a;
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.container {
    text-align: center;
    background: #020617;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 0 25px rgba(0,0,0,0.6);
}

.download-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 25px;
    background: #22c55e;
    color: black;
    text-decoration: none;
    border-radius: 8px;
    font-weight: bold;
    transition: 0.2s;
}

.download-btn:hover {
    background: #16a34a;
}