[1] CSS Cascading and Inheritance Level 3 ( (2013-10-02 02:50:08 +09:00 版)) http://www.w3.org/TR/2013/CR-css-cascade-3-20131003/

[2] CSS Cascading and Inheritance Level 3 ( (2015-04-16 02:03:26 +09:00 版)) http://www.w3.org/TR/2015/CR-css-cascade-3-20150416/

[3] CSS Cascading and Inheritance Level 3 (2015-04-16 02:03:26 +09:00 版) http://www.w3.org/TR/2015/CR-css-cascade-3-20150416/

[4] CSS Cascading and Inheritance Level 4 (2015-04-20 21:14:07 +09:00 版) http://www.w3.org/TR/2015/WD-css-cascade-4-20150421/

[5] CSS Cascading and Inheritance Level 4 ( (2015-09-08 15:42:28 +09:00 版)) http://www.w3.org/TR/2015/WD-css-cascade-4-20150908/

[6] CSS Cascading and Inheritance Level 4 (2016-01-15 16:40:05 +09:00 版) https://www.w3.org/TR/2016/CR-css-cascade-4-20160114/

[7] CSS Cascading and Inheritance Level 3 ( (2016-05-19 19:14:14 +09:00)) https://www.w3.org/TR/2016/CR-css-cascade-3-20160519/

[8] [CSSWG][css-cascade-3] Updated CR of CSS Cascading and Inheritance Level 3 (fantasai著, 2018-08-29 06:47:17 +09:00) https://lists.w3.org/Archives/Public/www-style/2018Aug/0026.html

[9] [CSSWG][css-cascade-4] Updated CR of CSS Cascading and Inheritance L4 (fantasai著, 2018-08-29 07:03:33 +09:00) https://lists.w3.org/Archives/Public/www-style/2018Aug/0027.html