Modify a website / CSS / Flexbox

I would like to strip down this webpage into one single landingpage without internal navigation: https://demo5.mercury.is/

Specs: One single page with 5 boxes showing information like attached sketches for two versions in desktop/responsive mode:

* First version will include payment logos as per attached sketch "desktop_sketch1.png"

* Second version will include star rating as per attached sketch "desktop_sketch2.png"

Please see attached sketched "responsive_sketch.png" for an idea how I want it to look in responsive mode.

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Priority in this project is page loading speed + responsiveness to mobile/tablet users.

The only functions are outlinks from brand logo in left column and Play now button to the right.

See https://demo5.mercury.is/ for a demo of the boxes. I would like the same hover effects/fonts etc.

I will assist with the graphics work + instant communication/feedback through out the whole project.

I believe this could be solved with flexbox CSS but all ears for ideas.

Looking forward for applications.

Best regards,
Andreas