:root{--primary-color: linear-gradient(135deg, #8B0000, #FF0000, #FF6347);--secondary-color: linear-gradient(135deg, #00c6ff, #0072ff);--green-color: linear-gradient(135deg, #2ecc71, #27ae60, #1e874b);--yellow-color: linear-gradient(135deg, #f4d03f, #f5b041, #f39c12)}