Drop-down form microinteraction

More simple background fits minimal nature of this interaction. This header is part of my web side-project that displays students' schedule. As for now this form is displayed as modal window, but today I figured out how to integrate it to page structure. I'm going to use this type of animation with other elements. If you want to check out this project, it is here. Be free to ask any questions or chat in comments or via Twitter @la_la_code