ch" href="margin-vrl-002-ref.xht" />

  <meta content="image" name="flags" />
  <meta content="This test checks that percentages on the margin are calculated with respect to the width (inline-size) of the containing block if 'writing-mode' of such containing block is 'horizontal-tb'. In this test, div.outer's computed 'writing-mode' value is 'horizontal-tb' and it is the div.inner's containing block." name="assert" />

  <style type="text/css"><![CDATA[
  div.outer
    {
      background-color: blue;
      