multicol-container-001.html

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This WPT test may be referenced by the following Test IDs:
- /css/css-conditional/container-queries/multicol-container-001.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>CSS Container Queries Test: Query multicol container</title>

<link rel="help" href="https://drafts.csswg.org/css-conditional-5/#size-container">

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="support/cq-testcommon.js"></script>

<style>

  #multicol {

    container-type: inline-size;

    width: 400px;

    column-count: 2;

    column-gap: 0;

  @container (width = 400px) {

    #first-child { color: green; }

    #second-child { color: green; }

</style>

<div id="multicol">

  <div id="first-child">First</div>

  <div id="second-child">Second</div>

</div>

<script>

  setup(() => assert_implements_size_container_queries());

  test(() => {

    const green = "rgb(0, 128, 0)";

    assert_equals(getComputedStyle(document.querySelector("#first-child")).color, green);

    assert_equals(getComputedStyle(document.querySelector("#second-child")).color, green);

  }, "Children of multicol inline-size container should match inline-size of the container");

</script>