A0 columns white angle0 standard_standard
Control row, both edges at the standard step.
A1 columns grey angle1 none_none
Tight on both edges, against a colour change and a slant.
A2 columns bluedark angle2 none_none
Dark background, text flips to white.
A3 columns green angle1 none_none
The other dark background.
A4 testimonial heading white angle2 none_none
A5 testimonial card grey angle0 none_none