<!DOCTYPE html>
<html>
<head>
<title>Заголовок документа</title>
<style>
div {
width: 80px;
height: 25px;
text-align: center;
-webkit-appearance: button;
-moz-appearance: button;
appearance: button;
}
</style>
<body>
<h2>Пример свойства appearance</h2>
<p>Here is a...</p>
<div>
Button?</div
</head>
</body>