ay: flex;
    width: 600px;
    flex-direction: row;
    justify-content: flex-end;
    align-items: center;
  }
  .pass {
    width: 100%;
    height: 100%;
    background-color: limegreen;
  }
</style>

<!-- OPACITY -->

<!-- Is current - before phase playing forwards -->
<div class="container">
  <div class="label">Opacity - before phase</div>
  <div class="testcase" id="opacity-before">
    <div class="pass"></div>
  </div>
</div>

<!-- Is current - in play-->
<div class="container">
  <div class="label