I'm not even 70% sure about the chords, as I'm trying to play it now my guess is that she didn't use power chords
I think she played variations of chords. So for the A chords, I'm not sure, sometimes I can hear Am, A4 or simply A (in the chorus part). And for the F chords, I play just the main note (1st fret, 6th string) and not pressing any other string.
Try it out and see if all of these make any sense
(Intro)
A4 C7M Am/A4
Verse
Am/A4 - Fm - G6
G6 - Fm x2 (by the second time, maybe there's a C7M just after the Fm, before starting over the verse)
Am/A4 - Fm - G6
G6 - Fm - Dsus2 (add the Dsus2 just before going to the chorus)
Chorus -
A/A4 - Dsus2 - C7M - G6 (same as the end)