{{ block title }}
  Instructions
{{ endblock }}

{{ block content }}

  <p>
    You will be shown a series of images in quick succession.
    If the image is green, press the '1' key as quickly as possible.
    If the image is red, don't press anything. Instead, wait for the next image.
  </p>

  <p>When you are ready to start, press the button below.</p>
  <button class="btn btn-primary">Start</button>
{{ endblock }}