This theme is based on the sddm-theme-elarun, which is based on the KDM Elarun theme.
Thanks to these people for their great work.

Original SDDM theme:
Author=Reza Fatahilah Shah & Abdurrahman AVCI
Copyright=GPL 2013 Reza Fatahilah Shah & Abdurrahman AVCI
License=GPL

Original KDM theme:
Author=Roman Shtylman & Nuno Pinheiro
Copyright=GPL 2010 Roman Shtylman | nuno@oxygen-icons.org, 2012 Nuno Pineheiro
License=GPL
