<!DOCTYPE html>
<link rel="help" href="https://drafts.csswg.org/scroll-animations-1/#scroll-timeline-axis">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
<style>
  #outer { scroll-timeline-axis: inline; }
  #target { scroll-timeline-axis: y; }
</style>
<div id="outer">
  <div id="target"></div>
</div>
<script>
test_computed_value('scroll-timeline-axis', 'initial', 'block');
test_computed_v