.bg-linear-dark{
  background: linear-gradient(135deg, #1a1a1a 0%, #0a0a0a 100%);
}

.bg-linear-primary {
  background: linear-gradient(135deg, #00ff88 0%, #00cc66 100%);
}

.bg-white-opacity-5 {
  background: rgba(255, 255, 255, 0.05);
}

.bg-black-opacity-20 {
  background: rgba(0, 0, 0, 0.2);
}