Appendix I: Supported PrintCSS Features


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Item	Limitations	Spec
`@page` rule		CSS Paged Media Module Level 3
page selectors	`:blank`
`@(top\|right\|bottom\|left)- ((left\|right)-corner)\| (top\|right\|middle\|center\|left\|bottom)`
`size`
`page-orientation`
`marks`
`bleed`
`break-(after\|before\|inside)`		CSS Fragmentation Module Level 3
`page-break-(after\|before\|inside)`
`orphans`
`widows`
`string-set`		CSS Generated Content for Paged Media Module
`@footnote`
`footnote-call`
`footnote-marker`
`float`	`only block-start\|top\|bottom`	CSS Page Floats ^[a]
`float-reference`	`only column\|page`	CSS Page Floats ^[a]
^[a]9 Johannes Wilm et. al (2024): CSS Page Floats. W3C Editor’s Draft. Available at https://drafts.csswg.org/css-page-floats/ (Accessed May 15, 2025)