title: position:-webkit-sticky not working on Safari
body: <p>I  have a problem with position sticky that does not work on Safari Mojave (updated version) for my navbar.
  Vendor prefix Ok.
  No overflow parent(body).
  Bootstrap 4.
  I tried many issues without success. Thanks a lot for your help !</p>
  
  <pre><code>&lt;div id="navbar" class="header-gs-nav z-depth-1 d-none d-xl-block"&gt;
      &lt;div class="container-full"&gt;
          &lt;div class="header-inner"&gt;
              &lt;div class="row m-0"&gt;
                  &lt;div class="col-2 title-logo-wrapper"&gt;&lt;/div&gt;
                  &lt;div class="col-8 main-wrapper"&gt;&lt;/div&gt;
                  &lt;div class="col-2 etrade-wrapper"&gt;&lt;/div&gt;
              &lt;/div&gt;
          &lt;/div&gt;
      &lt;/div&gt;
  &lt;/div&gt;
  
  .header-gs-nav{
  background: #fff;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  width: 100%;
  z-index: 1070;}
  </code></pre>