Siva Flat Op

Package contains openbox and GTK themes,tint2 config and some more stuff.
To get transparency you have to install compton composite manager. Start it like this:

compton -cCfF -I20 -O10 -D1 -t-5 -l-5 -r4.2 -o.82 -m 0.74 -e 0.74 -z

You have to configure titlebar with obconf.Go to appearance tab and remove all letters except IMC in Button order. Then in active and inactive window title font set size 14-16(this depends on which font you use here - I use google play font with 15 px size)

For tint2 panel you need cure and snap fonts.All of them are part of Artwiz pack.

Terminal font is ohsnap.And system font is Play.
Icon pack is Flattr.