Flarum Userscript EasyOnTheEyes
Flarum is great but at night, your eyes might suffer from all this whitey colors. Here comes this userscript !
Use it with Tampermonkey (chrome) or Greasemonkey (Firefox).
Direct link : https://github.com/moutonnoireu/flarum-userscript-eote/blob/master/flarum-userscript-eote.js