Pseudo-Classes and Pseudo-Elements

The looks and behaviour of links can also be changed. For that in CSS we have the so called Pseudo-Classes, which all start with a colon ':' and get attached to the tag name or class name in the css styles part in the top of the page (the <head> section), or in a separate .css file. Pseudo-Classes do not work with the inline command style="css-style" here.
But there are more pseudo classes than just those dealing with links (and there are even pseudo-elements!). we will learn about those, too.