title: Fixed header, footer with scrollable content
body: <p>How can I get fixed header, footer with scrollable content? Something like this <a href="http://www.cssplay.co.uk/layouts/fixit.html" rel="noreferrer">page</a>. I can look at the source to get the CSS, but I just want to know minimum CSS and HTML I need to get this working.</p>
  
  <p><a href="https://i.stack.imgur.com/AIjEs.png" rel="noreferrer"><img src="https://i.stack.imgur.com/AIjEs.png" alt="enter image description here"></a></p>