title: Border in Floating Action Buttons
body: <p>I'm creating a app with Floating action buttons for social.</p>
  
  <p>and i'm having border on FAB. see:</p>
  
  <p><a href="https://i.stack.imgur.com/9ypzK.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/9ypzK.png" alt="enter image description here"></a></p>
  
  <p>How to remove this border?</p>