Material Design

Google introduced a new graphic style called Material Design  at the Google I/O conference. Since 2015, Google has redesigned most of its applications and services using the consistent visual style of Material Design. According to Google's definition, Material Design is a "visual language that synthesizes the classic principles of good design with the innovation and the possibility of technology and science.”

2014/06/25

https://www.livescience.com/20727-internet-history.html