[Closed] making the langague switched bigger and clearer and add a title to it

Background of the issue:
I am trying to improve the usability and visibility of the language switcher on my website hidden link.

Symptoms:
The language switcher is not big or clear enough, and it lacks a title.

Questions:
How can I make the language switcher bigger and clearer?
How can I add a title to the language switcher?