4. CSS Pseudo-elements and -classes

PDFreactor supports the following pseudo-elements and -classes:

Table A.4. Supported Pseudo-elements/-classes

Pseudo-element/-classMeaningCSS Level
::afterGenerated content after an elementCSS 2.1
::beforeGenerated content before an elementCSS 2.1
:emptyAn element without children (including text nodes)CSS 3
:first-childAn element, first child of its parentCSS 2.1
:footnote-callGenerated content replacing elements that are moved to the footnote area. Usually shares its value with the corresponding footnote marker.CSS 3
:footnote-markerGenerated content preceeding footnotes. Usually shares its value with the corresponding footnote call.CSS 3
:last-childAn element, last child of its parentCSS 3
:not(s)An element that does not match selector "s"CSS 3