The credit for this theme goes to lassekongo83, I just tweaked the theme to make it complete by adding the gtk2 theme, thumbnail for cinnamon theme, xfce theme and metacity-mate.
Theme source: https://github.com/lassekongo83/adw-gtk3
Suggestion of the cinnamon theme in this link: https://www.cinnamon-look.org/p/2213696