title: Customize border line of bootstrap nav-tabs
body: <p>How to customize the colour of the borders of nav-tabs which is by default light grey?
  I could change the colour content div:
  <a href="http://jsfiddle.net/cjz9dyen/" rel="nofollow noreferrer">http://jsfiddle.net/cjz9dyen/</a></p>
  
  <p>I tried that:</p>
  
  <pre><code>.nav-tabs &gt; li.active &gt; a {
      border-color: #d45500;
  }
  </code></pre>
  
  <p>But it adds a border on the bottom.</p>