 experiment to be in a specific variant by adding `amp-x-experiment-name` to the AMP page URL.
  * <a href="<%host%>/components/amp-experiment#amp-x-button-color-experiment=0">#amp-x-button-color-experiment=0</a>
  * <a href="<%host%>/components/amp-experiment#amp-x-button-color-experiment=1">#amp-x-button-color-experiment=1</a>
  * <a href="<%host%>/components/amp-experiment#amp-x-button-color-experiment=2">#amp-x-button-color-experiment=2</a>
-->

</body>
</html>
