This repository's issues are reserved for feature requests and bug reports.
please first make sure your request falls under the official Material Design spec guidelines https://material.google.com/
please provide steps to reproduce and if possible screenhots or animated Gifs. you can easily create animated Gif with this free PC/OSX App: http://www.cockos.com/licecap/
Did this work in previous versions of Angular / Material? Please also test with the latest stable and snapshot versions.
(e.g. detailed explanation, stacktraces, related issues, suggestions how to fix)