help About the Input Text Box in Kirikiri

[kurosakijin]

I was trying to put a Maximum of Input Letter Word, but I don't know what code, reach I replace and find the Letter Cap, It only stuck at this image here: https://imgur.com/a/eBJCpUC

Also I want to find where to edit the font size textbox, coding is so hard, so can you help me?

Edited September 22, 2019 by kurosakijin

[kurosakijin]

I have fixed it.