For the intro, chorus and they just play power chords.
Each is strummed four times.
C---G---A---F
At the very end the last chord is E
Verse.

G---A---G---A---G---A- G F

Bridge. (no power chords)
G G D7 G C D7 G-

The end picking 4x             after 4x

e|--------------------------|------------------------------------------------|
B|--101-101-101-303130------|--578-873---------------------------------------|
G|-2---0--------------------|----------8-------------------------------------|
D|---------2----------------|------------------------------------------------|
A|--------------------------|------------------------------------------------|
E|--------------------------|------------------------------------------------|