字体大小自适应纯css解决方案

viewpoint css3提供了一些与当前viewpoint相关的元素，vw，vh，vim等。javascript “viewpoint” = window size vw = 1% of viewport width 1vh = 1% of viewport height 1vmin = 1vw or 1vh, 最小 1vmax = 1vw or 1vh, 最大 兼容性：chrome 20+

>>阅读原文<<