body {
    font-family: Arial;
    background: linear-gradient(to right, #0f2027, #203a43, #2c5364);
    color: white;
    margin: 0;
    padding: 20px;
}

.card {
    background: rgba(255,255,255,0.1);
    padding: 20px;
    border-radius: 10px;
    margin: 10px 0;
}