Personal Portfolio [Help w/ Responsive and Feedback Welcome]

Hey guys,

I just finish my Personal Portfolio.

I hope you like it!!! Feedbacks are welcome!!!

I would love if you could help me with the Responsive Content in the Home Section. I think I can improve it, but I don´t know how!!

This is the link: https://codepen.io/Thayron/full/xJMOrB/

Regards,
Thayron