<!DOCTYPE html>
<html>
  <head>
    <link rel="icon" href="data:,">
  </head>
  <body>
    <h1>Buttons</h1>
    <button>Click me!</button>
    <button id="click_me_123">Click me by id!</button>
    <button value="click_me">Click me by value!</button>
  </body>
</html>
