What is CSS transition effect

CSS transition is very useful to make the elements of your website more attractive and it is also easy to use, we can design the best transition effects with few lines of code.

The timing of changes to the style of an element can be controlled through the transition property.

For example, if we talk about a simple menu design, then normally when we hover the mouse on a button, its background-color changes, it changes immediately but if we want to hover the background color slowly. - Changes slowly, so for this we will use CSS3 transition property.