2014年12月14日
What's the difference between <b> and <strong>, <i> and <em> in HTML/XHTML? When should you use each?
摘要： ref:http://stackoverflow.com/questions/271743/whats-the-difference-between-b-and-strong-i-and-emThey have thesame effect on normal web browser renderi... 阅读全文
posted @ 2014-12-14 14:23 zaizai2013 阅读(188) 评论(0) 推荐(0) 编辑