BibTeX Reference for “CSS Containment Module Level 1”

@TechReport{Jr.:19:CCM,
  author      = "Tab Atkins Jr. and Florian Rivoal",
  title       = "{CSS} Containment Module Level 1",
  month       = nov,
  note        = "https://www.w3.org/TR/2019/REC-css-contain-1-20191121/",
  year        = "2019",
  bibsource   = "https://w2.syronex.com/jmr/w3c-biblio",
  type        = "{W3C} Recommendation",
  institution = "W3C",
}