body {
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(to right, #000000, #1f1f1f);
    color: white;
    text-align: center;
    padding: 50px;
}
.container {
    background-color: #111;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}