Introduction to CSS | CSS Tutorial for Beginners

CSS Text Underline Hover Effect | Expand Underline On Hover

2 Easy Ways to Underline Text in CSS and HTML

Underlines are a way to bring attention to important text. There are two primary ways to underline text in web pages, the U element and the CSS text-decoration property. | Love2Dev

7 cool CSS animation effects (and how to make them)

12 tips for amazing CSS animation

1: An Introduction to Animating with CSS