Digital images, for example, probably appear on some of your Web pages. If you ever need to prevent people from seeing those images, you can use CSS to hide the images by changing a single word in ...

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.

As you continue to learn HTML, CSS and JavaScript, embrace a growth mindset. With practice and experimentation, you’ll gain confidence and develop your coding skills.