Both CSS3 animation and CSS3 transition can be used to transition an element in a webpage. They can be used to transition some CSS properties within a given period of time. They have many similarities. They do have a few differences as well. So an user needs to understand the differences between them in order to better use them in different scenarios.First, let's see an example on how to change the width of a div from 100px to 200px within 2 seconds when hovering on it.With CSS3 animation , the CSS looks like :@keyframes anim { from {width : 100px;} to {width : 200px;}}#div{ width:100px; heigh...