block sizes in blocks</h3>
<div class="tests">
  <p><code>block-size</code> &lt; <code>min-block-size</code></p>
  <div class="block" id="block1" data-expected-width="600" data-expected-client-height="50"></div>

  <p><code>min-block-size</code> &lt; <code>block-size</code> &le; <code>max-block-size</code></p>
  <div class="block" id="block2" data-expected-width="600" data-expected-client-height="100"></div>

  <p><code>block-size</code> &gt; <code>max-block-size</code></p>
  <div class="block" id="block3" 