testing/web-platform/tests/css/css-properties-values-api/animation/custom-property-transition-length-percentage.html


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<!DOCTYPE html>
<link rel="help" href="https://drafts.css-houdini.org/css-properties-values-api-1">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/utils.js"></script>
<div id="target"></div>
<script>

transition_test({
  syntax: "<length-percentage>",
  from: "100px",
  to: "100%",
  expected: "calc(50% + 50px)"
}, 'A custom property of type <length-percentage> can yield a CSS Transition');

</script>