Overflowing flex item

Question

How to make the .links div grow such that it is inside flex box? Without padding it is in place but with padding it overflows.
Code:
https://code.sololearn.com/WA25a13a24a1/?ref=app

Answer 1

Ok convert 2% into 2vw

Answer 2

丹ⓨㄩک廾 what is happening when it is 2%?