[1] 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

column-rule と同義である -moz-column-rule 、-moz-wrapcolumn-rule-width 、-moz-column-rule-style 、及び -moz-column-rule-color