<p style="font-size: 12px;color:#aaa;">版权引用：<a href="https://www.behance.net/gallery/33367743/Google-Material-Design"><span style="font-size: 12px;color:black;">“  GUIDELINES Material Design launched with a comprehensive set of principles, guidelines and resources. We were asked to create the design and oversee the content direction for the launch of Material Spec. As a reference for both design and engineering the site drew over 2.5 million unique users in the first year. ”</span> </a>由 <a href=""><span style="font-size: 12px;color:black;">The Rivalry,Andy Gugel,Jesse Kaczmarek</span></a> 授权许可 <span><a href="https://creativecommons.org/licenses/by-nc-nd/4.0/deed.zh" target="_blank" style="font-size: 12px;color:black;">Attribution-NoDerivs-NonCommercial 4.0 International<img src="" style="display: inline-block;height: 16px;width: auto;"></a></span></p>