We challenged ourselves to create a visual language for our users that synthesizes the classic principles of good design with the innovation and possibility of technology and science. This is material design. This spec is a living document that will be updated as we continue to develop the tenets and specifics of material design.
Material Design是一种由Google开发的设计语言 。扩展于Google即时的“卡片”设计，Material Design基于网格的布局、响应动画与过渡、填充、深度效果（如光线和阴影）。