标签：
http://www.sitepoint.com/support-retina-displays/
http://www.leemunroe.com/designing-for-high-resolution-retina-displays/
http://ivomynttinen.com/blog/a-guide-for-creating-a-better-retina-web/
To Support High-Density Retina Displays
标签：
原文地址：http://www.cnblogs.com/zyip/p/4489871.html
