const container = document.querySelector('.grid-container'); for (let i = 0; i < 2000 * 2000; i++) { const pixel = document.createElement('div'); pixel.className = 'grid'; container.appendChild(pixel); } // Adding numbers every 50px for (let x = 0; x <= 2000; x += 50) { const num = document.createElement('div'); num.className = 'numbering'; num.style.left = `${x}px`; num.style.top = '0px'; num.textContent = x; container.appendChild(num); }