Material Design 是 Google I/O 2014 最新推出的全平台设计指南。很多效果看起来很炫，有没有办法使用HTML5来做。下面分享一些靠谱的演示代码，代码都是来自codepen上面的代码：详细可以参考 Material Design 标签。
Material Design调色板
See the Pen Fullscreen Flexbox Color Picker by Le Roux Bodenstein (@lerouxb) on CodePen.
消息类型
See the Pen Polymer message styles by Carolina Valdez (@carolinavaldez) on CodePen.
Android L 涟漪效果
See the Pen Android L ripple effect without Polymer by Adam Gospodarczyk (@fronterweb) on CodePen.
See the Pen Paper button (without canvas) by Boris Kaiser (@boriskaiser) on CodePen.
Hierarchical Timing
See the Pen Google Material Design Hierarchical Timing by Prajwal Manjunath (@prajwalkman) on CodePen.
输入框
See the Pen Google Material Design Input Boxes by Chris Sevilleja (@sevilayha) on CodePen.
Animated Tabs
See the Pen Material Design App – Animated Tabs by keremciu (@keremciu) on CodePen.
Paper Elements
A sampler showcasing Polymer elements based on material design，查看在线演示（可能需要翻墙）
