title: How to keep uikit.sticky stay on top
body: <p>I tried to follow the main web <a href="http://getuikit.com/docs/sticky.html" rel="nofollow noreferrer">getuikit > component > sticky</a>, but problems when scroll down sticky is work, such as ".uk-panel" css class, it seems to be on top of ".uk-stick".</p>
  
  <p>I need to fix.</p>
  
  <p>Describe the problem with images</p>
  
  <p><a href="https://i.stack.imgur.com/lQJMt.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/lQJMt.png" alt="The problem with it &quot;.uk-panel&quot; ."></a></p>
  
  <pre><code>&lt;nav className="uk-navbar" data-uk-sticky="{top:-100, animation: 'uk-animation-slide-top'}" &gt;
                  &lt;Link to="/" className="uk-navbar-brand"&gt;
                      &lt;i className="uk-icon-hover uk-icon-graduation-cap"&gt;&lt;/i&gt;
                  &lt;/Link&gt;
                  &lt;div className="uk-navbar-flip"&gt;
                      &lt;ul className="uk-navbar-nav"&gt;
                          &lt;li&gt;
                              &lt;Link to="/register" className="uk-button"&gt;Register&lt;/Link&gt;
                          &lt;/li&gt;
                          &lt;li&gt;
                              &lt;Link to="/signin" className="uk-button"&gt;SignIn&lt;/Link&gt;
                          &lt;/li&gt;
                      &lt;/ul&gt;
                  &lt;/div&gt;
              &lt;/nav&gt;
              &lt;div  className="uk-container uk-container-center" style={height:3000px;}&gt;
                  &lt;div class="uk-panel uk-panel-box uk-panel-box-primary"&gt;
                              &lt;h3 class="uk-panel-title"&gt;Box primary&lt;/h3&gt;
                              Lorem ipsum &lt;a href="#"&gt;dolor&lt;/a&gt; sit amet, consectetur adipisicing elit.
                          &lt;/div&gt;
  
                          &lt;div class="uk-panel uk-panel-box uk-panel-box-secondary"&gt;
                              &lt;h3 class="uk-panel-title"&gt;Box secondary&lt;/h3&gt;
                              Lorem ipsum &lt;a href="#"&gt;dolor&lt;/a&gt; sit amet, consectetur adipisicing elit.
                          &lt;/div&gt;
              &lt;/div&gt;
  </code></pre>