Feedbacks welcome on all my five RWD projects

Code Feedback
1

Greetings fellow campers,

I have just completed the RWD certification course. Please check below the projects I have done as part of it. Your feedbacks are most appreciated.

  1. Tribute page
    https://codepen.io/web2feel/pen/eKeJra/

  2. Survey form
    https://codepen.io/web2feel/pen/GGyzaB

  3. Product landing page
    https://codepen.io/web2feel/pen/aKYGJG

  4. Documentation Page
    https://codepen.io/web2feel/pen/GGdvBV

  5. Portfolio page
    https://codepen.io/web2feel/pen/jKKMKq

Thank you all