title: Making a child of a flex container NOT a flex item
body: <p>I believe this goes exactly against the way the <code>display: flex</code> property is supposed to work, but I wonder if it's possible, or if there's a hack for it.</p>
  
  <p>Is it possible to have a child of a flex container not behave as a flex item? Example:</p>
  
  <p><a href="http://jsbin.com/jusehedumi/edit?html,css,output" rel="nofollow noreferrer">http://jsbin.com/jusehedumi/edit?html,css,output</a></p>
  
  <p>Is there any way in which child three could be made behave as a normal display block? Without it automatically aligning due to the <code>justicity-content: center</code> of the parent flex container?</p>
  
  <p>A purely css solution would be awesome. Thinking about it, adding some extra HTML would probably make this issue easier to fix/solvable.</p>
  
  <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>.flex{
    display: flex;
    justify-content: center;
    width: 400px;
    height: 400px;
    background: #ccc;
  }
  
  .child{
    width: 100px;
    height: 100px;
    background: red;
    margin: 20px;
  }
  
  .child.three{
    background: blue;
    display: block;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>  Is there any way to make child three not behave as a flex child?
    &lt;div class="flex"&gt;
      &lt;div class="child one"&gt;&lt;/div&gt;
      &lt;div class="child two"&gt;&lt;/div&gt;
      &lt;div class="child three"&gt;&lt;/div&gt;
    &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p><em>Edit</em>: I know a child can be taken out of the flex container by using <code>position: absolute</code> or the likes. What I'm looking for is a way of making one of the children behave as a <code>block</code> element (or <code>inline</code> for that matter) while remaining a child of the flex container. </p>