An Openbox theme made for perfect fit with the GTK theme  provided by Elementary OS.
Credits go to Rickard Larsson  and others who provided Adwaita Openbox  which is the solid foundation of this Elementary OS fork. Furthermore rcct who investigated a fix for a minor graphical glitch.
Arch Linux users can download the packaged theme from here: https://aur.archlinux.org/packages/elementary-os-openbox/
2 years ago
05.10.2014: Fixed issue with osd.active.label.text.color
11.06.2014: Fixed permission error that caused the theme not to show up in obconf
15.02.2014: Minor improvements to the osd
14.02.2014: Initial release