ReCAPTCHA dark theme
Switch CAPTCHAs to dark mode as well: https://developers.google.com/recaptcha/docs/faq#can-i-customize-the-recaptcha-widget-or-badge
Switch CAPTCHAs to dark mode as well: https://developers.google.com/recaptcha/docs/faq#can-i-customize-the-recaptcha-widget-or-badge