Adjust the entire web page to any darkness.
It is kind to eyes.

Install

• License: Mozilla Public License 2.0
• Weekly downloads: 0
• Average daily users: 0
• Rating: 0/5 of 0 ratings
• Created: 2019-06-24 02:34:52
• Last updated: 2019-06-24 02:40:08
• Homepage:
• Support site and email
• Orig: https://addons.mozilla.org/en-US/firefox/addon/overlaydarkness/
• API: {5c380ea7-4e4f-4018-97be-e55e91b8745f}