BibTeX Reference for “CSS Conditional Rules Module Level 5”

@TechReport{Etemad:21:CCR,
  author      = "Elika Etemad and Chris Lilley and David Baron",
  title       = "{CSS} Conditional Rules Module Level 5",
  month       = dec,
  note        = "https://www.w3.org/TR/2021/WD-css-conditional-5-20211221/",
  year        = "2021",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Working Draft",
  institution = "W3C",
}