title: css3 - How to make this shape?
body: <p>I am trying to use css3 to create this shape:</p>
  
  <p><img src="https://i.stack.imgur.com/rKzUG.png" alt="simple shape"></p>
  
  <p>(I know the image quality is terrible but you get the point). 
  I 've tried some of these css shape generators:
  <a href="http://medleyweb.com/resources/css-generator-ui-animation/" rel="nofollow noreferrer">http://medleyweb.com/resources/css-generator-ui-animation/</a>
  with no success. Any ideas?</p>