<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Button Hover</title>
<link rel="stylesheet" href="solution.css" />
</head>
<body>
<div id="transition-container">
<button>Transition!</button>
</div>
</body>
</html>