link parameters property & param() function

[dletorey]

Description

• Created link-parameters CSS property page
• Created param() CSS function page
• Added <dashed-ident> to env() CSS value page
• Added example to <dashed-ident> page

Motivation

• Working on MDN issue #44466

Related issues and pull requests

• BCD PR
• Associated BCD PR
• Data PR
• Firefox Release PR

[github-actions]

Preview URLs (4 pages)

• /en-US/docs/Web/CSS/Reference/Properties/link-parameters
• /en-US/docs/Web/CSS/Reference/Values/dashed-ident
• /en-US/docs/Web/CSS/Reference/Values/env
• /en-US/docs/Web/CSS/Reference/Values/param

Flaws (2)

Note! 3 documents with no flaws that don't need to be listed. 🎉

Found an unexpected or unresolvable flaw? Please report it here.

URL: /en-US/docs/Web/CSS/Reference/Values/env
Title: env() CSS function
Flaw count: 2

• macros:
  • Macro csssyntax produces link /en-US/docs/Web/CSS/Reference/Values/declaration-value which doesn't resolve
  • Macro csssyntax produces link /en-US/docs/Web/CSS/Reference/Values/number-token which doesn't resolve

(comment last updated: 2026-07-21 10:00:54)

[pepelsbey]

Looks good, thank you!

I would suggest adding alts just to spread the good pattern. Also, without xmlns attributes, external SVGs won't render.

[pepelsbey]

I would also recommend changing PR title to something more descriptive. It'll also become the commit message.