title: getting rid of extra space that comes with android's default buttons
body: <p>I've placed three buttons side by side using constraints, with 4dp gap between each as shown below, but due to this <em>"extra space"</em>(shown below), the actual gap between buttons looks greater than it is:    </p>
  
  <p><a href="https://i.stack.imgur.com/wa0xQ.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/wa0xQ.png" alt="extra space button"></a></p>
  
  <p>What is the attribute that android uses to maintain this space? How can I remove it. I'm using the default <code>&lt;Button&gt;</code> widget that is android's default button widget.</p>