me: initially-stuck;
    container-type: scroll-state;
    position: sticky;
    bottom: 0;
  }

  span {
    --stuck: no;
    @container initially-stuck scroll-state(stuck: bottom) {
      --stuck: yes;
    }
  }
</style>
<div id="filler"></div>
<div id="stuck">
  <span id="target">My container is stuck</span>
</div>
<script>
  setup(() => assert_implements_scroll_state_container_queries());

  promise_test(async t => {
    await waitForAnimationFrames(2);
    assert_equals(getComputedStyle(target).getProp