Mashup of various content from this site. Mainly inspired by Elementary and Humanity.

Wallpaper is Lighted Windows Behind the Curtains.
GTK style is Humanity-DP.
Colors are from Elementary.
Windeco is Unity.
Icons are Humanity-Monochrome. The gnome-do icon is a custom-colored one I adapted initially for Humanity-Dark.
Dockbarx theme is recolored Human Dark Bar.

Using gnome-globalmenu, dockbarx, and window buttons panel widgets.