DigitalOcean provides cloud products for every stage of your journey. Get started with $200 in free credit! If you need to position a background-image in CSS 20px from the left and 10px from the top, that’s easy. You can do background-position: 20px 10px;. But what if you wanted to position it 20px from the right and 10px from the bottom? Let’s also assume we don’t know the exact width and height