Margin is on the outside of the division
Padding is on the inside of the division

Content for id "middle" Goes Here
Content for id "centercol" Goes Here
DATA dad asd ad sd sdas d ew rew r er wer we r wrww 1 data 2 data 3 sf sld fs df sf dfs f sdf f ds fs df as df asf df sdf
data 1 data 2 data 3
data 1 data 2 data 3
Content for id "bottom" Goes Here