Blink 182 - Reckless Abandon Chords & Tabs

Song:Reckless abandon
Artist:Blink 182
Album:Take off your jacket and pants
Tabbed by:Debs

(power cords)
Intro: C,F,A,G,F

Riff 1
can't work this out

Verse: C,G x3
[ Tab from: https://www.guitartabs.cc/tabs/b/blink_182/reckless_abandon_tab_ver_2.html ]
Chorus: C,F,A,G,F,A,G,F

Riff 2
A-3----------
E---1--5--3--x4

orders a bit muddled but its not difficult to work out, 
if anybody nos how 2 play riff 1 or theres Ne mistakes 
please email me at:deb5182@hotmail.com, thanx