<!DOCTYPE html>
<html>
<head>
<title>CSS transition property</title>
<style>
div {
width: 100px;
height: 100px;
background: #4535aa;
/ Add CSS transition property here/
transition-property: width;
transition-duration:5s;
transition-timing-function: ease-in-out;
transition-delay:3s;
}
div:hover {
width: 300px;
}
</style>
</head>
<body>
<div></div>
</body>
</html>
please tell me what's wrong with this code for that lesson
