title: Div with position: fixed not displaying inside div with position: absolute in Safari
body: <p>I have a fixed position div inside an absolutely positioned div. In Chrome and Firefox the inner div is displayed, but in OSX Safari 10, it is not.</p>
  
  <p><a href="https://jsfiddle.net/r69gu6af/11/" rel="noreferrer">JSFiddle</a></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>.outer {
    margin-top: 21px;
    position: absolute;
    background: red;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0px 1px 1px rgba(0, 0, 0, 0.2);
    max-height: 100vh;
  }
  
  .inner {
    display: inline;
    overflow: hidden;
    position: fixed;
    background-color: blue;
    max-width: 100vw;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="outer"&gt;
    &lt;p&gt;Inner Div&lt;/p&gt;
    &lt;div class="inner"&gt;
      &lt;p&gt;Outer Div&lt;/p&gt;
    &lt;/div&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>
  
  <p>In the fiddle, changing the outer div's position property to either static or sticky means that the inner div is displayed. But these position's aren't suitable for my situation.</p>
  
  <p>Is there a way to get the inner div to display in Safari without changing the divs' positions?</p>