Key Takeaways Start with basic concepts like selectors, properties, and box model before moving to layouts.Use online tools ...

You can also replace 200px with a percentage value such as 300% in the CSS class. This allows you to stretch an image by a percent instead of by a pixel amount.

You can even make the images reappear instantly by making a quick update to your document's CSS code. Open an HTML document that contains at least one image and locate the document's body section.