  test(() => {
    assert_equals(column_style.scrollSnapMarginLeft, "2px");
    assert_equals(column_style.scrollSnapMarginRight, "2px");
    assert_equals(column_style.scrollSnapMarginTop, "80px");
    assert_equals(column_style.scrollSnapMarginBottom, "4px");
  }, "::column scroll-snap-margin");

</script>
