$memo
<section class="panel summary">
  <p class="counts-line">$counts_line</p>
  <p class="autorefresh">
    <label for="autorefresh">
      <input type="checkbox" id="autorefresh" checked>
      auto-refresh every $interval s
    </label>
  </p>
</section>
$filters
<div class="board" id="board">
$columns
</div>