Fix font family rule on :before

src/themes/default/modules/checkbox.overrides

@@ -8,8 +8,8 @@
     url(data:application/x-font-ttf;charset=utf-8;base64,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) format('truetype')
   ;
 }
-.ui.checkbox label:before,
-.ui.checkbox .box:before,
+
+/* Checkmark */
 .ui.checkbox label:after,
 .ui.checkbox .box:after {
   font-family: 'Checkbox';