<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Center align button</title>
<style>
button {
position: fixed;
left: 50%;
}
</style>
</head>
<body>
<div class="button-container-div">
<button>Hover Me!</button>
</div>
</body>
</html>
