Remove margin around repo pagination

In !102 (merged) I introduced some margin. This fixes it while keeping the other panels looking good.

Unfortunately, on the screenshots it still looks like there is some margin o_O In reality, there is none.

Screen_Shot_2017-06-20_at_18.19.51

Screen_Shot_2017-06-20_at_18.19.46

Screen_Shot_2017-06-20_at_18.19.58

Screen_Shot_2017-06-20_at_18.19.53

Screen_Shot_2017-06-20_at_18.20.00

Screen_Shot_2017-06-20_at_18.20.16

Screen_Shot_2017-06-20_at_18.20.22

Screen_Shot_2017-06-20_at_18.20.19

Screen_Shot_2017-06-20_at_18.20.24