Up to this point, the most common use for CSS3 Transitions has been in conjunction with the well-known CSS :hover pseudo-class. Here’s a typical transition that changes link color on mouseover using pure CSS: a, a:link, a:visited { color: lightblue; transition: color .4s linear; } a:hover { color: white; } This will animate the color property when you hover over a link on the page. Pretty simple,