Koopbuy Spreadsheet Guide body { font-family: Arial, sans-serif; line-height: 1.6; margin: 20px; background: #f9f9f9; color: #333; } h1 { color: #2c3e50; text-align: center; } h2 { color: #3498db; margin-top: 20px; } p { margin: 10px… My Koopbuy Spreadsheet Journey: Scoring Gucci Tennis 1977 Replicas Like a Pro