title: How can I make my entire flex widget have rounded corners?
body: <p>I am creating a Flex widget and would like to make the corners rounded.  In other words, I don't want some component inside the widget rounded, I want the actual widget to be rounded.  </p>
  
  <p>I have seen this done in many places so it cannot be too hard, but all of the solutions I find on the internet do not work. </p>
  
  <p>People say to set the cornerRadius property and then set the borderStyle to "solid" and borderThickness to anything.  This is not working for me.</p>
  
  <p>Any ideas?</p>
  
  <p>Thank you!</p>