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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>content position with width/height (reference)</title>
<link rel="stylesheet" type="text/css" href="/fonts/ahem.css" />
<style>
  body, math {
      font: 25px/1 Ahem;
      color: black;
  }
  .test {
      margin: .5em;
  }
  .box {
      width: 7em;
      height: 3em;
      border: 1px solid blue;
      display: inline-block;
  }
  .center {
      text-align: center;
  }
  /* Revert style specified in the UA style sheet that changes box size. */
  mfrac { padding: 0; }
</style>
</head>
<body>
  <div class="test">
    <div class="box">
      <math>
        <mtext>X</mtext>
      </math>
    </div>
    <div class="box" dir="rtl">
      <math dir="rtl">
        <mtext>X</mtext>
      </math>
    </div>
  </div>
  <div class="test">
    <div class="box">
      <math>
        <mrow>
          <mtext>X</mtext>
          <mtext>X</mtext>
          <mtext>X</mtext>
        </mrow>
      </math>
    </div>
    <div class="box" dir="rtl">
      <math dir="rtl">
        <mrow>
          <mtext>X</mtext>
          <mtext>X</mtext>
          <mtext>X</mtext>
        </mrow>
      </math>
    </div>
  </div>
  <div class="test">
    <div class="box">
      <math>
        <mpadded lspace="1em" voffset="-1em">
          <mtext>X</mtext>
          <mtext>X</mtext>
          <mtext>X</mtext>
        </mpadded>
      </math>
    </diV>
    <div class="box" dir="rtl">
      <math dir="rtl">
        <mpadded lspace="1em" voffset="-1em">
          <mtext>X</mtext>
          <mtext>X</mtext>
          <mtext>X</mtext>
        </mpadded>
      </math>
    </div>
  </div>
  <div class="test">
    <div class="box">
      <math>
        <mpadded width="9em" height="1em" depth=".5em">
          <mtext>X</mtext>
          <mtext>X</mtext>
          <mtext>X</mtext>
        </mpadded>
      </math>
    </div>
    <div class="box" dir="rtl">
      <math dir="rtl">
        <mpadded width="9em" height="1em" depth=".5em">
          <mtext>X</mtext>
          <mtext>X</mtext>
          <mtext>X</mtext>
        </mpadded>
      </math>
    </div>
  </div>
  <div class="test">
    <div class="box center">
      <math>
        <mfrac linethickness="0">
          <mtext>X</mtext>
          <mtext>X</mtext>
        </mfrac>
      </math>
    </div>
    <div class="box center" dir="rtl">
      <math dir="rtl">
        <mfrac linethickness="0">
          <mtext>X</mtext>
          <mtext>X</mtext>
        </mfrac>
      </math>
    </div>
  </div>
  <div class="test">
    <div class="box">
      <math>
        <msqrt>
          <mtext>X</mtext>
        </msqrt>
      </math>
    </div>
    <div class="box" dir="rtl">
      <math dir="rtl">
        <msqrt>
          <mtext>X</mtext>
        </msqrt>
      </math>
    </div>
  </div>
  <div class="test">
    <div class="box">
      <math>
        <mroot>
          <mtext>X</mtext>
          <mtext>X</mtext>
        </mroot>
      </math>
    </div>
    <div class="box" dir="rtl">
      <math dir="rtl">
        <mroot>
          <mtext>X</mtext>
          <mtext>X</mtext>
        </mroot>
      </math>
    </div>
  </div>
</body>
</htmL>