body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

.display-1 {
    color: white;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}