The new Polymer web site includes a long list of pre-made elements, many of which help you implement Material Design
Polymer is a library that uses the latest web technologies to let you create custom HTML elements. Build anything from a button to a complete application as an encapsulated, reusable element that works across desktop and mobile.
Polymer 1.0 has been rebuilt from the ground up for speed and efficiency. The new, leaner core library makes it easier than ever to make fast, beautiful, and interoperable web components. If you haven’t used Polymer before, it’s time to try it out. If you haven’t tried it recently, time to take another look.
Read more from the source: polymer-project.org