title: draggable without jquery ui and with a specified handle
body: <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-css lang-css prettyprint-override"><code>.md {
    position: fixed;
    left: 14px;
    top: 14px;
    width: 250px;
    text-align: center;
  }
  
  .mdtop {
    background: green;
    color: white;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
  }
  
  .mdtopmove {
    border-left: 2px solid white;
    border-right: 2px solid white;
    cursor: cell;
  }
  
  .mdbody {
    height: 45px;
    background: #eee;
    margin-top: 3px;
    border: 2px solid blue;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class='md' draggable='true'&gt;
    &lt;div class='mdtop'&gt;
      &lt;div class='mdtopclose'&gt;CLOSE&lt;/div&gt;
      &lt;div class='mdtopmove'&gt;MOVE&lt;/div&gt;
      &lt;div class='mdtopsave'&gt;SAVE&lt;/div&gt;
    &lt;/div&gt;
    &lt;div class='mdbody'&gt;BODY&lt;/div&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p>I'm trying to make <code>.md</code> horizontally draggable without using <code>jquery ui</code>, just using HTML5 API.<br>
  There is <code>draggable = 'true'</code> but what else should I do?<br>
  handle should be <code>mdtopmove</code>.<br>
  Any help?</p>