<html>
  <head>
    <script src="./my-element.js" type="module"></script>
  </head>
  <body>
    <my-element alerttype="warning">
      This is a warning alert
    </my-element>
    <my-element alerttype="info">
      This is an info alert
    </my-element>
    <my-element>
      This is a default alert
    </my-element>
  </body>
</html>
