We recently took a look at :active, an extremely handy pseudo-class selector that can be used to create some awesome mouse-down effects. Today we’re going to take a step back and explore some other “pseudo” items, this time we’ll be looking at the pseudo-elements :before and :after. You’re probably beginning to see these used all over the web in advanced CSS examples so you might as well jump in and learn to use them yourself.
What is a pseudo-element and how does it differ from a pseud-class? Why do pseudo-elements sometimes have one colon and sometimes have two? How are :before and :after implemented in CSS? What are some ways that developers all over the web are using these tools to perform amazing feats of modern coding? Read on to find out.