class="container">
  <div class="label">Background-color - before phase</div>
  <div class="testcase" id="bgcolor-before">
    <div class="pass"></div>
  </div>
</div>

<!-- Is current - in play-->
<div class="container">
  <div class="label">Background-color - active phase</div>
  <div class="testcase" id="bgcolor-active">
    <div class="pass"></div>
  </div>
</div>

<!-- Is current - after phase playing backwards-->
<div class="container">
  <div class="label">Background-color - after phase</div>
  <div 