How to Add a Tooltip in HTML. A tooltip is a handy means of providing textual instruction to your Web page visitor and is accomplished in HTML by using a "title" attribute.

Learn how to insert a Horizontal Line in Outlook across the entire page cell or column. It is used as a separator for long email messages.

How to Add a Horizontal Line in Word. When you're ready to have employees sign on the dotted – or not so dotted – line, you need to point out where they should actually place their John ...