Css transition
<!DOCTYPE html>
<html>
<head>
<title>Hello, World!</title>
<link rel="stylesheet" href="styles.css" />
</head>
<body>
<div></div>
</body>
</html>
CSS style:
div{
width:100px;
height:100px;
background-color:green;
position:relative;
animation-name:example;
animation-duration: 4s;
animation-delay:2s;
}
@keyframes example {
from{background-color:red;}
to{background-color:yellow;}
}