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转载：writing-modl例子：
-webkit-writing-mode: vertical-rl; -ms-writing-mode: vertical-rl; writing-mode: vertical-rl;-webkit-writing-mode: tb-rl; -ms-writing-mode: tb-rl; writing-mode: tb-rl;
writing-mode
原文地址：http://www.cnblogs.com/itlichen/p/5913801.html
