title: How to remove shadow from bootstrap menu?
body: <p>Here's my fiddle: </p>
  
  <p><a href="http://jsfiddle.net/PTSkR/31/" rel="nofollow noreferrer">http://jsfiddle.net/PTSkR/31/</a></p>
  
  <pre><code>Code code code 
  </code></pre>
  
  <p>Here's the effect I'm trying to correct (note the vertical duplication, which I think is a shadow): </p>
  
  <p><img src="https://i.stack.imgur.com/gMDJ1.png" alt="enter image description here"></p>
  
  <p>How can I remove this shadow?  It's happening in chrome and firefox for me - the fiddle shows a gray shadow instead of white.  You may also have to drag the fiddle bar over to the left to show the "Intro" text - bootstrap's responsive menu seems to be kicking in if you don't.  </p>