title: Remove the bottom line border in tab bar? (And change selected color)
body: <p>Is it possible to remove the bottom line showed in the tab bar? It is grey when not selected.</p>
  
  <p>And is it possible to change the yellowish color to something else?</p>
  
  <p><img src="https://i.stack.imgur.com/E9QEe.png" alt="alt text"></p>
  
  <p>layout xml: <a href="http://pastebin.com/M2KqtH1r" rel="noreferrer">http://pastebin.com/M2KqtH1r</a></p>