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How would everyone handle the success page/modal? I was unsure if I should be loading a new page, or toggling visibility of the form/modal like I did.

Not looking for feedback here - I followed along with the Kevin Powell CSS Grid tutorial as I couldn't figure out the proper grid layout.

I'm not sure if it's just me but there seemed to be so many inconsistencies with font sizes/line heights/margins that I just gave up at one point and submitted it anyway. My media query felt as if I was just patching it up rather than adjusting for a larger screen.

It's close enough anyway that I'm happy with it. Haven't really done much grid before so I think it works - plus the transition from mobile to desktop seems smooth.