title: Is there anything similar to <br> to break the flow on a flexbox?
body: <p>I know I can define how a flexbox behaves using <code>flex-wrap</code> and defining width to my child objects using <code>flex-grow</code>.</p>
  
  <p>But what can I use to break the flow of one line at a specific point?</p>
  
  <pre><code>X X X X &lt;br&gt;
  X X &lt;br&gt;
  X X X X
  </code></pre>