mediawiki.mixins: Avoid including css rule on every less file that includes this...

Follow-up to 13c53454.

Bug: T97587
Change-Id: Ic2d1a32b747de94282f1e0e6e90c438e12029250

diff --git a/resources/src/mediawiki.less/mediawiki.mixins.less b/resources/src/mediawiki.less/mediawiki.mixins.less
index 3366f1e..e947775 100644 (file)
--- a/resources/src/mediawiki.less/mediawiki.mixins.less
+++ b/resources/src/mediawiki.less/mediawiki.mixins.less
@@ -85,7 +85,7 @@
        column-width: @value;// IE 10+
 }
 
-.column-break-inside-avoid {
+.column-break-inside-avoid() {
        -webkit-column-break-inside: avoid; // Chrome Any, Safari 3+, Opera 11.1+
        page-break-inside: avoid; // Firefox 1.5+
        break-inside: avoid-column; // IE 10+