参考资料:
前端观察:http://www.qianduan.net/compatible-all-browsers-css3-rounded-corners.html
http://www.ruanyifeng.com/blog/2010/12/detailed_explanation_of_css3_rounded_corners.html
css各种形状:http://www.cnblogs.com/jshoukun/archive/2012/02/06/2340437.html
参考资料:
前端观察:http://www.qianduan.net/compatible-all-browsers-css3-rounded-corners.html
http://www.ruanyifeng.com/blog/2010/12/detailed_explanation_of_css3_rounded_corners.html
css各种形状:http://www.cnblogs.com/jshoukun/archive/2012/02/06/2340437.html