Copper Price Calculator
.calculator-container { background-color: #f9f9f9; padding: 25px; border-radius: 10px; box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1); max-width: 750px; margin: 20px auto; font-family: Arial, sans-serif; } .calculator-container h2, .calculator-container h3 { color: #c87533; /* Copper color */ text-align: center; margin-bottom: 20px;…