title: creating pie navigation in html similar to the pie navigation on paranoid android
body: <p>I wanted to create a pie navigation in my website which looks like the pie navigation in paranoid android <img src="https://i.stack.imgur.com/MPBY1.jpg" alt="pie navigation on paranoid android"></p>
  
  <p>on clicking the navigation button the pie will expand with first set of menus fading the background (like lightbox) on selecting any menu from first level  , the other sub menus will come on top of it
  the closest one i saw is <a href="http://tympanus.net/Tutorials/CircularNavigation/index.html#" rel="nofollow noreferrer">this</a> </p>
  
  <p>Is there some similar one with html css and js? i couldn't find any</p>