To create keyframe animations in CSS3, define individual keyframe. Keyframes will control the intermediate animation steps in CSS3.
Following is the creating keyframe animations using CSS3 −
Example
<!DOCTYPE html>
<html>
<head>
<style>
div {
width: 100px;
height: 100px;
background: rgb(218, 78, 36);
border: 4px solid rgb(0, 0, 0);
position: relative;
animation: circleMove 5s infinite;
}
@keyframes circleMove {
from {
left: 0px;
border-radius: 0px;
}
to {
left: 200px;
border-radius: 50%;
}
}
</style>
</head>
<body>
<h1>CSS3 keyframe example</h1>
<div></div>
</body>
</html>Output
The above code will produce the following output −

After some time, the square will turn into the circle as shown −
