Before diving deeper into the CSS syntax and all its power, let’s first review where to write CSS code and how to add it to our HTML documents to complete our understanding of how to learn HTML ...

Header Text Add the attribute to the opening tag for whatever HTML element type your page header uses. Identify your header element in CSS.

There are a few ways to create a tooltip in HTML, the Web programming language, including using JavaScript or CSS to create one and using the "title" attribute on an HTML image.