title: Creating an overlay page for app
body: <p>I am looking into adding a single page overlay when a user clicks the "Help" button in a web app I've created. Below is an example of what I want to achieve</p>
  
  <p><img src="https://i.stack.imgur.com/iy8a5.jpg" alt="single page overlay"></p>
  
  <p>I have jquery mobile implemented on my pages with javascript. I looked into the jquery mobile popup panels that overlay a page but it wouldn't serve my purposes. </p>
  
  <p>What resources, libraries, language, etc would I go about doing this? I tried to google but the I get irrelevant results.</p>