body { font-family: Arial, sans-serif; line-height: 1.6; margin: 20px; } h1 { color: #2c3e50; } h2 { color: #3498db; } .highlight { background-color: #fff8e1; padding: 10px; border-left: 4px solid #ffc107; } .keyword { color: #e74c3c;… My Dupbuy Spreadsheet Hack: How I Saved Big on Nike SB Running Shoes in Europe!