s a bottom margin of <code>0</code> (zero).</p>
<p>This paragraph has a top margin of <code>0</code> (zero).</p>
</div>

<div>
<p style="margin-bottom: 0.75em;">This paragraph has a bottom margin of <code>0.75em</code> (three-quarters of an em).</p>
<p style="margin-top: -1em;">This paragraph has a top margin of <code>-1em</code> (negative one em).</p>
</div>

<div>
<p style="margin-bottom: -0.75em;">This paragraph has a bottom margin of <code>-0.75</code> (negative three quarters of an em).</p>
<p>This par