title: pseudo :before outside of div
body: <p>I've wrote this CSS :</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>div {
    width: 500px;
    height:150px;
    margin-left:150px;
    background: lightblue;
  }
  
  div::before {
    content:'';
    width:50px;
    height:150px;
    display: inline-block;
    background:red;
    position: absolute;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div&gt;
    &lt;p&gt;Lorem ipsum dolor sit amet, consectetur adipisicing elit. Officia rem quasi laborum dolor explicabo nobis pariatur ad deleniti repellendus dicta, ducimus expedita! Temporibus quo facilis quae magni, saepe, sapiente rem.&lt;/p&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p>What I want is to put the <code>:before</code> content outside div but still collapse to it and not inside.</p>
  
  <p>Thanks for your help !</p>