<dl>
    <dt>Mercury</dt>
    <dd>Mercury (0.4 AU from the Sun) is the closest planet to the Sun and the smallest planet.</dd>
    <dt>Venus</dt>
    <dd>Venus (0.7 AU) is close in size to Earth, (0.815 Earth masses) and like Earth, has a thick silicate mantle around an iron core.</dd>
    <dt>Earth</dt>
    <dd>Earth (1 AU) is the largest and densest of the inner planets, the only one known to have current geological activity.</dd?>
</dl>

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<dl>
    <dt>Mercury</dt>
    <dd>Mercury (0.4 AU from the Sun) is the closest planet to the Sun and the smallest planet.</dd>
    <dt>Venus</dt>
    <dd>Venus (0.7 AU) is close in size to Earth, (0.815 Earth masses) and like Earth, has a thick silicate mantle around an iron core.</dd>
    <dt>Earth</dt>
    <dd>Earth (1 AU) is the largest and densest of the inner planets, the only one known to have current geological activity.</dd?>
</dl>

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<div class="huitCinqPts bord_inf_gc">
  <dl><dt>Term1</dt><dd>Definition1</dd></dl>
  <dl><dt>Term2</dt><dd>Definition2</dd></dl>
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<dl>
  <div>
    <dt>Mercury</dt>
    <dd>Mercury (0.4 AU from the Sun) is the closest planet to the Sun and the smallest planet.</dd>
  </div>
  <div>
    <dt>Venus</dt>
    <dd>Venus (0.7 AU) is close in size to Earth, (0.815 Earth masses) and like Earth, has a thick silicate mantle around an iron core.</dd>
  </div>
  <div>
    <dt>Earth</dt>
    <dd>Earth (1 AU) is the largest and densest of the inner planets, the only one known to have current geological activity.</dd>
  </div>
</dl>