:root {
  --fire-orange: #ff4500;
  --fire-red:    #b73100;

  --brand-05: rgba(255,69,0,0.05);
  --brand-07: rgba(255,69,0,0.07);
  --brand-08: rgba(255,69,0,0.08);
  --brand-10: rgba(255,69,0,0.10);
  --brand-12: rgba(255,69,0,0.12);
  --brand-15: rgba(255,69,0,0.15);
  --brand-18: rgba(255,69,0,0.18);
  --brand-20: rgba(255,69,0,0.20);
  --brand-25: rgba(255,69,0,0.25);
  --brand-30: rgba(255,69,0,0.30);
  --brand-35: rgba(255,69,0,0.35);
  --brand-40: rgba(255,69,0,0.40);
  --brand-50: rgba(255,69,0,0.50);
  --brand-60: rgba(255,69,0,0.60);
  --brand-70: rgba(255,69,0,0.70);

  --border-fire: var(--brand-40);
  --glow-fire:   0 0 20px var(--brand-50);
}