Ah, yeah fair enough! I was confused thinking that you were unaware of the existence of the functionality as a whole. Well, as laurmaedje (one of the main devs)

Ah, yeah fair enough! I was confused thinking that you were unaware of the existence of the functionality as a whole. Well, as laurmaedje (one of the main devs) said below, it should be easy to add, though it seems difficult to find which size values `big`, `bigg` and so on exactly represent.