body {
    background: #111;
    color: white;
    font-family: Arial;
    padding: 40px;
}

.container {
    max-width: 900px;
    margin: auto;
}

.card {
    background: #1d1d1d;
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
}