ml::view-transition { background: red; }
/* also test this type of construct */
html:active-view-transition::view-transition { background: lightpink }
</style>

<div id="container">
  <div class="test" id="positive1"></div>
  <div class="test" id="positive2"></div>
  <div class="test" id="positive3"></div>
  <div class="test" id="positive4"></div>
  <div class="test" id="positive5"></div>
  <div class="test" id="positive6"></div>
  <div class="test" id="positive7"></div>
  <div class="test" id="negative1"><