How to create CSS3 Transition Effects?

To create CSS3 Transition Effects, use the transition property. Following is the code for creating transition effects using CSS3 −


 Live Demo

<!DOCTYPE html>
.container div {
   width: 300px;
   height: 100px;
   background: rgb(25, 0, 255);
   border: 2px solid red;
   transition: width 2s;
.container:hover div {
   width: 100px;
<h1>Transition effects example</h1>
<div class="container">
<h2>Hover over the above div to reduce its width</h2>


The above code will produce the following output −

On hovering above the div −