} .calculator button:hover { transform: translateY(-2px); box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1); } .calculator button:nth-child(-n+4) { background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%); color: #333; } .calculator button.equals { grid-column: span 4; background: linear-gradient(135deg, #ff9a9e 0%, #fad0c4 100%); color: #333; }

" />