Closed caption (VTT) tracks are integral to supporting accessibility requirements when showing videos.
The size of the caption text is not determined by the browser or by LemonadeLXP. It is determined by an operating-system setting that you can adjust.
On Windows 11 Computers
Click on the "Search" control in the bottom menu bar.
Enter "Settings" into the search bar in the panel that appears.
Click the "Settings App" search result; this launches your Windows 11 Settings panel.
Click on Accessibility on the left.
In the "Hearing" section of the panel that appears, select "Captions."
Here, use the Caption Style section to create your preferred setting.
On MacOS Ventura
Click on the Apple Icon in your Menu bar, and select System Settings
Click on Accessibility on the left hand panel.
Select Captions on the right hand side.
Click on the + button to create a caption style that you prefer