title: Dropdown menu doesn't become visible on .drop:hover
body: <p>I'm creating a menu, where if I hover over the li class="drop", then the visibility of my #competences-dropdown should become visible, but it doesn't wanna work for some reason. Can someone please help by telling what didn't I noticed?</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>.drop:hover #competences-dropdown {
   visibility:visible;
  }
  
  #competences-dropdown {
   background-color:rgba(51,51,51,0.8);
   width:100%;
   padding-right:100px;
   position:absolute;
   z-index:3;
   visibility:hidden;
   -webkit-transition:1s;
   display:block;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div id="menu"&gt;
      &lt;ul class="navigation"&gt;
          &lt;li&gt;&lt;a href=""&gt;Forside&lt;/a&gt;&lt;/li&gt;
          &lt;li class="drop"&gt;&lt;a href=""&gt;Kompetencer&lt;/a&gt;&lt;/li&gt;
          &lt;li&gt;&lt;a href=""&gt;Om Magento&lt;/a&gt;&lt;/li&gt;
          &lt;li&gt;&lt;a href=""&gt;Teamet&lt;/a&gt;&lt;/li&gt;
          &lt;li&gt;&lt;a href=""&gt;Cases&lt;/a&gt;&lt;/li&gt;
          &lt;li&gt;&lt;a href=""&gt;Blog&lt;/a&gt;&lt;/li&gt;
          &lt;li&gt;&lt;a href=""&gt;Kontakt&lt;/a&gt;&lt;/li&gt;
      &lt;/ul&gt;
  &lt;/div&gt;
  
  &lt;div id="competences-dropdown"&gt;
      &lt;div class="row"&gt;
          &lt;div class="col-sm-12"&gt;
              &lt;ul class="dropdown"&gt;
                  &lt;li&gt;&lt;a href=""&gt;
                      &lt;h1&gt;WEBUDVIKLING&lt;/h1&gt;
                      &lt;img class="img-responsive" src="img/dropdown/webdev.png" alt="Webdev"/&gt;
                  &lt;/a&gt;&lt;/li&gt;
                  &lt;li&gt;&lt;a href=""&gt;
                      &lt;h1&gt;DESIGN&lt;/h1&gt;
                      &lt;img class="img-responsive" src="img/dropdown/design.png" alt="Design"/&gt;
                  &lt;/a&gt;&lt;/li&gt;
                  &lt;li&gt;&lt;a href=""&gt;
                      &lt;h1&gt;MARKETING&lt;/h1&gt;
                      &lt;img class="img-responsive" src="img/dropdown/marketing.png" alt="Marketing"/&gt;
                  &lt;/a&gt;&lt;/li&gt;
              &lt;/ul&gt;
          &lt;/div&gt;
      &lt;/div&gt;
  &lt;/div&gt;</code></pre>
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  </p>