Change font size of transcript text
Click on S, M, L buttons on the video controller or use corresponding keyboard shortcuts (S, M, L respectively) to change the font size of transcript text. The font size applies to both normal viewing mode and fullscreen viewing mode.
Font small (normal viewing mode)

Font medium (normal viewing mode)

Font small (fullscreen viewing mode)

Font medium (fullscreen viewing mode)

Font large (fullscreen viewing mode)
