ua-style-sheet-margin-5.html

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<!DOCTYPE html>

<meta charset=utf-8>

<title>Test for logical margins on h[456] elements in the UA style sheet</title>

<style>

.v-rl { writing-mode: vertical-rl; }

.ltr, .rtl, .v-rl { border: 1px solid blue; }

h4, h5, h6 { font-size: 16px; border: 1px solid purple; }

</style>

<div class=ltr>

  <h4>Heading 4</h4>

  <h5>Heading 5</h5>

  <h6>Heading 6</h6>

</div>

<div class=rtl dir=rtl>

  <h4>Heading 4</h4>

  <h5>Heading 5</h5>

  <h6>Heading 6</h6>

</div>

<div class=v-rl>

  <h4>Heading 4</h4>

  <h5>Heading 5</h5>

  <h6>Heading 6</h6>

</div>