Have you looked into the polymer elements http://www.polymer-project.org/docs/elements/ http://www.polymer-project.org/docs/elements/? I'm not sure if it would

Have you looked into the polymer elements http://www.polymer-project.org/docs/elements/ http://www.polymer-project.org/docs/elements/? I'm not sure if it would be against the license, but in principle they have a complete implementation of the material design that could be extracted as a separate css-only framework.