Style sheets let you adorn your text with underlines, overlining, lines through the text (perhaps to indicate changes), and even blinking text.
Figure 10.39. You don't have to restrict underlining, or other text decorations to link elements, as I have done here. They can be applied to any element.
To decorate text:
To get rid of decorations:
Figure 10.40. I've removed the underlining from both new and visited links. Then, I added underlining to links that are being hovered over to help visitors know that they are links. It's in italics because it's the title of a book.