title: how to change the margin of a button on xamarin forms?
body: <p>i have a issues with default margin of a button on xamarin forms. i need to take off the margin. some thought how i can make this ?? i need to use custom renderer?</p>
  
  <p>I really need this to join two elements without leaving space, a label and a button.</p>
  
  <p>i already try with </p>
  
  <pre><code>&lt;Button
      BackgroundColor="Fuchsia"
      BorderRadius="0"
      BorderWidth="0"
      Text="Test"
      HeightRequest="50"
      WidthRequest="60"
      TextColor="#333333"
      x:Name="btnBack"
      Margin="0"
      VerticalOptions="Start"
      HorizontalOptions="Start" /&gt;
  </code></pre>
  
  <p>but this not work for me, nothing happened.
  other guys says that making a custom renderer maybe will work.</p>