This is a good place for a header :-)

This is column 1

This is column 1

This is column 1

This is column 1

This is column 1

Hey man, I gotta make a comment here. This method, while it does indeed work, it looks like a total CSS nightmare from a maintenance perspective.

While not semantically correct, I gotta say, tables is probably the better way to go, or maybe Flexbox with a polyfill for IE9 and older.

This is column 2

This is column 2

This is column 2

This is column 2

This is column 2

This is column 2

This is column 2

This is column 2

This is column 2

This is column 2

This is column 2

This is column 2

This is column 2