title: Customize the tabbar and tabbar item
body: <p>I am using <code>UITabbarController</code> in my application and also I set the frame to it so that tabbar is display in center. I am so change color and image of tabbar but I want to remove the small edge its not clear how can i clear that color become white.</p>
  
  <p><strong>Code:</strong> <code>[[UITabBar appearance] setShadowImage : [UIImage imageNamed:@"white.png"]];</code>
  <img src="https://i.stack.imgur.com/b3slL.png" alt="enter image description here"></p>