Small add cards dialog
As add-ons are programs downloaded from the internet, they are potentially malicious. You should only download add-ons you trust.
This add-on previously supported Anki 2.0. You can download the last version supporting 2.0 here. As Anki 2.0 has been discontinued, no support is available for this version.
All Anki 2.1.x Add-Ons
On Mac, open add-on > edit > the two lines where it says:
change the zeros to 1 > click save
Why a window would require a minimum size is beyond me. I should be able to resize anything to whatever size I wish.