CentOS:
Arc Theme:https://github.com/horst3180/arc-theme
arc-icon-theme:https://github.com/horst3180/arc-icon-theme
arc-firefox-theme:https://github.com/horst3180/arc-firefox-theme
Ubuntu:
Flatabulous:https://github.com/anmoljagetia/Flatabulous
CentOS:
Arc Theme:https://github.com/horst3180/arc-theme
arc-icon-theme:https://github.com/horst3180/arc-icon-theme
arc-firefox-theme:https://github.com/horst3180/arc-firefox-theme
Ubuntu:
Flatabulous:https://github.com/anmoljagetia/Flatabulous