Here you can see some screens that should show the problem.
The screen is 1920:1080, the interface size is set to "very small", sampling is set to 100%. Other settings can be provided if needed.
Look especially at the addAction-menu on the right side:
http://images.akamai.steamusercontent.com/ugc/499141914129960971/2616A182B155A6930E043A50E18CDA3FC7586DE4/
Look at the missions list:
http://images.akamai.steamusercontent.com/ugc/499141914129961842/1F6B78EE659E5E2C2BDEBB2563F1AE65EF8C3C43/
Look at the slot list:
http://images.akamai.steamusercontent.com/ugc/499141914129961519/47CC32761E0A17CE4BCB9F10578A8C74001007EB/