That's odd, does this happen across browsers? Also, let us know if clearing the cache and cookies or disabling ad-ons helps!
That's odd! Do you see 'Dark theme' after clicking on your account icon? Keep us posted.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
That's odd! Do you see 'Dark theme' after clicking on your account icon? Keep us posted.