This fixes #4758 for most usual 1080p screens by using smaller font and smaller left/right padding, letter-spacing, and line-height values.

Note that:

• The default 14 words/sentence (estimated from English) should be about 1.5x14 = 21 words for 15 sec recordings.
• Although the recording limit is increased the frontend is not adapted for longer texts.
• Frontend is most probably tested against English texts, where average word length is ~5 symbols. On the other hand we calculated ~7 symbols/word average for Kabardian (similar for Adyghe). Also many symbols are wide, like Ж Д Ш Ю

This is tested for Kabardian ON THE BROWSER for a 21 word sentence for 15 sec recordings. Here are the results:

For Speak:

With variant pill: