title: how fix bug with firefox different line-height with css input type button and a button bootstrap
body: <p>bug with firefox v. 27.0.1 in input type&quot;Button&quot; line-height is 17px but in css line-height:20px !important; look at the picture<img src="https://i.stack.imgur.com/1IT7O.png" alt="enter image description here" /></p>
  <p>please help me</p>