[1] Surfin’ Safari - Blog Archive » Box Shadow (2007-01-08 11:18:50 +09:00 版) http://webkit.org/blog/?p=86 (名無しさん 2007-01-08 02:27:07 +00:00)

[2] なんか -webkit-border-radius と -webkit-box-shadow を同時に使ったら残念なことに。。。

[3] Firefox 3.1 for developers - MDC (2009-02-08 18:25:06 +09:00 版) https://developer.mozilla.org/ja/Firefox_3.1_for_developers#.E6.96.B0.E3.81.97.E3.81.8F.E3.82.B5.E3.83.9D.E3.83.BC.E3.83.88.E3.81.95.E3.82.8C.E3.81.9F.E3.83.97.E3.83.AD.E3.83.91.E3.83.86.E3.82.A3

[4] Issue #9. Add alias for -webkit-box-shadow. · whatwg/compat@aca27ef (2015-12-07 15:38:39 +09:00 版) https://github.com/whatwg/compat/commit/aca27ef456e335054e56f2e8abfe9201d9bc28e3