Nord Light Theme автор Bullfinch

Based on the Nord color scheme:
https://www.nordtheme.com/

More Nord themes:
https://addons.mozilla.org/en-US/firefox/addon/nord-hard-theme/
https://addons.mozilla.org/en-US/firefox/addon/nord-dark-theme-firefox/
https://addons.mozilla.org/en-US/firefox/addon/nord-wave-theme/

More light themes:
https://addons.mozilla.org/en-US/firefox/addon/rose-pine-dawn-light-theme/
https://addons.mozilla.org/en-US/firefox/addon/solarized-light-theme/
https://addons.mozilla.org/en-US/firefox/addon/gruvbox-light-theme/
https://addons.mozilla.org/en-US/firefox/addon/everforest-light-soft-theme/
https://addons.mozilla.org/en-US/firefox/addon/horizon-bright-theme/
https://addons.mozilla.org/en-US/firefox/addon/kanagawa-lotus-light-theme/
https://addons.mozilla.org/en-US/firefox/addon/sunny-peach-light-theme/