In previous chapters you learned that every element of an HTML document is made up of rectangular boxes: from the containers that hold the structural parts of your page, to the lines of text in a paragraph. You then spent the last chapter learning how to style the text content of your pages.
Web design wouldn’t be as creative or flexible if we weren’t able enhance the look of these boxes, or complement them with colors, shapes, and imagery. This is where the CSS properties for backgrounds, shadows, and borders come in, as well as content images through the img
