Modern Style is a very professional and clean Free WordPress Theme created by flexithemes.
This Theme has comes with integrated social media icons as well as advertisement space making it easy for you to share your blog and make some money.
The overall design of this theme is somewhat plain and simple, yet clean and professional. Due to the dark grays and blacks, it would probably be a really nice theme for some sort of computer or gadget blog. Yet it could work for almost any other type of site.
