title: How can I remove rectangle in collapse navbar-collapse?
body: <p>How can I remove the rectangle, who appear when I move the cursor in collapse navbar-collapse</p>
  
  <p><img src="https://i.stack.imgur.com/LH0Ga.jpg" alt="image"></p>
  
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="false" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-css lang-css prettyprint-override"><code>.navbar-nav &gt; li &gt; a {
    padding-top: -10px;
    padding-bottom: 30px;
    padding-right: 70px;
    line-height: 20px;
    list-style:solid;
    float: right; 
    display: inline;
    margin bottom: 30px;
    color: #666;
  }
    
  
  .nav &gt; li &gt; a:hover,
  .nav &gt; li &gt; a:focus {
    text-decoration: none;
    text-shadow: none !important;
   }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>  &lt;header&gt;
    &lt;!-- Collect the nav links, forms, and other content for toggling --&gt;
    &lt;img src="image" alt="..." class="img-thumbnail"&gt;
    &lt;div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1"&gt;
      &lt;ul class="nav navbar-nav navbar-right"&gt;
        &lt;li class="dropdown"&gt;
          &lt;a href="#" class="dropdown-toggle" data-toggle="dropdown"&gt;Home
          &lt;/a&gt;
          &lt;ul class="dropdown-menu" role="menu"&gt;
            &lt;li&gt;&lt;a href="#"&gt; Home&lt;/a&gt;&lt;/li&gt;
            &lt;li&gt;&lt;a href="#"&gt;Page&lt;/a&gt;&lt;/li&gt;
            &lt;li&gt;&lt;a href="#"&gt;Something else here&lt;/a&gt;&lt;/li&gt;
            &lt;li class="divider"&gt;&lt;/li&gt;
            &lt;li&gt;&lt;a href="#"&gt;Separated link&lt;/a&gt;&lt;/li&gt;
            &lt;li class="divider"&gt;&lt;/li&gt;
            &lt;li&gt;&lt;a href="#"&gt;One more separated link&lt;/a&gt;&lt;/li&gt;
          &lt;/ul&gt;
        &lt;/li&gt;</code></pre>
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  </p>