Motion respects and reinforces the user as the prime mover. Primary user actions are inflection points that initiate motion, transforming the whole design. Action and reaction rules, serving to focus attention and maintain continuity.

As we said before, Material is not a library, but many libraries are based on Material, and one of the most used nowadays is Materialize. This library provides all features like others, such as grid systems, prebuilt components, and custom behavior, with the difference that all of it is created by following Material Design principles. Let's look at an example of web pages developed using Materialize:

As you can see, the Material interface is simple, clean, and self-explanatory.