<p><button>Default button</button></p>

<p><button disabled>Disabled button</button></p>

<p>
  <button name="submit" type="submit" value="submit-true">
    Form submit button
  </button>
</p>

<p><button accesskey="a">Button with <u>A</u>ccesskey</button></p>

<p><button class="styled">Fancy styled button</button></p>

Output