title: Changing the color of navigation bar
body: <p>I am working on the Mystile theme by WooThemes. I have used custom CSS to change the color of the background, footer and side wings. But, I can't change the color of the navigation bar. 
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  <img src="https://i.stack.imgur.com/5ASC8.png" alt="Navigation Bar"></p>
  
  <p>In the screenshot, the navigation bar has some shade of <code>grey</code> but I would like to have it in <code>white</code> i.e. <code>#FFFFFF</code>. Please help me.</p>