Insecure password warning popup text is unreadable on certain themes

Describe the bug

If you click on a password field on an insecure website, the popup text is unreadable based on the theme. Sample web page here

Expected behavior

Insecure password warning popup text must be readable on certain themes

Screenshots

Without Lepton (Dark and dark-based themes) original_insecure_password_warining_dark

System theme (dark) insecure_password_warining_system_dark

Dark theme insecure_password_warining_dark

Firefox Alpenglow (Dark) insecure_password_warining_alpenglow_dark

Activist – Bold insecure_password_warining_activist_bold

OS

Windows 11, Windows 10

OS - Others

No response

Firefox Version

v112.0.1

Distribution

Theme

[ ] Light
[X] Dark
[ ] Alpenglow (System: Light)
[X] Alpenglow (System: Dark)
[X] System Default
[X] Others: (e.g. Photon Colors, Google Chrome Dark, Fairytale Of Nature)

Theme - More Info

Activist – Bold: https://addons.mozilla.org/en-US/firefox/addon/activist-bold_/

`user.js` setup

user.js setup

```javascript // Default settings used ```

Additional context

No response

black7375 / Firefox-UI-Fix