It looks like your @font-face which are being loaded from a cached file ( Flying press ? ) is errr … busted.
If i view the URL in Firefox or Chrome ( desktop ) it matches that of your Screen shot.
But that is not Poppins – well not based upon what fonts.google display it as ( fonts.google at top | your screenshot below. )
https://www.screencast.com/t/JtLB6snio7uC
Is flying press optimizing the font ?