New York City sports bar brand Proper 21 will open its second D.C. location next month, bringing over-the-top cheeseburgers, family-style flat iron steaks, and a dozen draft beers to K Street NW.

The team behind Proper 21 sports bar has come up with a more sophisticated concept set to debut in D.C.'s Mount Vernon Triangle next year.

Proper Menubar adds a tiny, unobtrusive menu beneath Edge’s URL bar with tabs for opening and closing tabs, managing currently open pages, jumping to your bookmarks, opening your history, and ...