anchor.diff:            div.Grid-cell
               div.Feature
                 figure.Feature-figure
  -                img(class="Feature-image" src="../media/images/pupil_page/web/frame_flex.jpg" title="Design")
  +                img(class="Feature-image" src="../media/images/pupil_page/web/frame_flex.jpg" title="Pupil Headset")
   
   
       //- Modular & Hackable
  
positive.code:               h4 If we don't have the configuration you need, customize it yourself. Our camera mount geometry and electrical interface is #[a(href="https://github.com/pupil-labs/pupil/wiki/Pupil%20Hardware%20Development" rel="noopener" title="open") open]. 
                h4 We also like to work with users to create custom solutions. #[a(href="mailto:sales@pupil-labs.com" rel="noopener" title="get in touch") Get in touch!]
                h4 If you're excited about SMD soldering and hacking: you can make your own Pupil DIY. 
                //- Buy the frame, source parts, and follow assembly instructions to build your own Pupil DIY headset.
  
                div.Grid.Grid--justifyCenter.Grid--center
                ul
                  li #[a(href="https://www.shapeways.com/product/LQJJK2CHQ/pupil-mobile-eye-tracking-headset" rel="noopener" title="buy the frame") Buy the frame]
                  li #[a(href="https://docs.google.com/spreadsheets/d/1NRv2WixyXNINiq1WQQVs5upn20jakKyEl1R8NObrTgU/pub?single=true&gid=0&output=html" rel="noopener" title="source parts") Source parts]
                  li #[a(href="https://github.com/pupil-labs/pupil/wiki/DIY-Kit-Guide" rel="noopener" title="follow assembly instructions") Follow assembly instructions]
  
              div.Feature.u-padTop--1
                h4 To build your own Pupil DIY headset.
  
  
      //- Community
      //- div.Site-gray-bkg
  
negative.code:               h4 We believe in open source. All Pupil code is released with open source licenses.
                h4 A lot of work went into making the software modular and accessible. The majority of the codebase is written in Python.
                h4 We have developed a plugin structure that enables you to extend Pupil Capture and Pupil Player to suit your needs. 
                h4 Check out the pupil repository on #[a(href="https://github.com/pupil-labs/pupil/" rel="noopener" title="pupil repository on github") Github]. Read developer documentation on the #[a(href="https://github.com/pupil-labs/pupil/wiki" rel="noopener" title="wiki") wiki].
            div.Grid-cell
              div.Feature
                figure.Feature-figure
                  img(class="Feature-image" src="../media/images/pupil_page/web/pupil_source_code.png" title="Pupil Plugin screenshot")
  
  
      //- design
  