Kilotest: Diagnoses of CSS property does not exist violation by HTML element 0 on Effective Environmentalism page

Basics

About the page

• URL: https://effectiveenvironmentalism.org/
• Tested 3 days ago on 2026-10-07 at 21:14 by job 261007T2109-usy
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 932
  • Violators: 375
  • Issues: 47
• Download the full technical report (JSON)

About the issue

• Why it matters: Page cannot be properly displayed
• Priority: high
• Related WCAG standard: 4.1
• Reported by 1 rule engine (Html Checker API)
• Violations: 18
• Violators: 1

About the violator

• Tag name: HTML
• Text: [not applicable]
• Start tag: <html lang="en" style="scroll-padding-top: 124px;">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 1080
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the CSS property does not exist issue for HTML element 0 of the Effective Environmentalism page.

1. CSS: view-transition-name: Property view-transition-name doesn't exist. Extract: tion-name:none}:root

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: CSS: view-transition-name: Property view-transition-name doesn't exist.

2. CSS: view-transition-name: Property view-transition-name doesn't exist. Extract: tion-name:header-group}:root

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: CSS: view-transition-name: Property view-transition-name doesn't exist.

3. CSS: view-transition-name: Property view-transition-name doesn't exist. Extract: tion-name:wix-ads-group}:root

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: CSS: view-transition-name: Property view-transition-name doesn't exist.

4. CSS: view-transition-name: Property view-transition-name doesn't exist. Extract: tion-name:footer-group}:root

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: CSS: view-transition-name: Property view-transition-name doesn't exist.

5. CSS: view-transition-name: Property view-transition-name doesn't exist. Extract: tion-name:background-group}:root

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: CSS: view-transition-name: Property view-transition-name doesn't exist.

6. CSS: stroke-color: Property stroke-color doesn't exist. Extract: oke-color:transparent){:roo

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: CSS: stroke-color: Property stroke-color doesn't exist.

7. CSS: container-type: Property container-type doesn't exist. Extract: iner-type:inline-size){:roo

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: CSS: container-type: Property container-type doesn't exist.

8. CSS: view-transition-name: Property view-transition-name doesn't exist. Extract: tion-name:page-group}.uvik

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: CSS: view-transition-name: Property view-transition-name doesn't exist.

9. CSS: vector-effect: Property vector-effect doesn't exist. Extract: or-effect:non-scaling-stroke}ul.fo

   Rule engine: Html Checker API (World Wide Web Consortium)

   Rule: CSS: vector-effect: Property vector-effect doesn't exist.

10. CSS: stroke-color: Property stroke-color doesn't exist. Extract: oke-color:transparent){._v6

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: CSS: stroke-color: Property stroke-color doesn't exist.

11. CSS: anchor-name: Property anchor-name doesn't exist. Extract: chor-name:--ee-hovered-menu-item}[data

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: CSS: anchor-name: Property anchor-name doesn't exist.

12. CSS: anchor-name: Property anchor-name doesn't exist. Extract: chor-name:--a){[dat

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: CSS: anchor-name: Property anchor-name doesn't exist.

13. CSS: animation-composition: Property animation-composition doesn't exist. Extract: mposition:replace;}}#co

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: CSS: animation-composition: Property animation-composition doesn't exist.

14. CSS: animation-composition: Property animation-composition doesn't exist. Extract: mposition:replace;}}#co

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: CSS: animation-composition: Property animation-composition doesn't exist.

15. CSS: animation-composition: Property animation-composition doesn't exist. Extract: mposition:replace;}}#co

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: CSS: animation-composition: Property animation-composition doesn't exist.

16. CSS: animation-composition: Property animation-composition doesn't exist. Extract: mposition:replace;}}#co

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: CSS: animation-composition: Property animation-composition doesn't exist.

17. CSS: animation-composition: Property animation-composition doesn't exist. Extract: mposition:replace;}}[id

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: CSS: animation-composition: Property animation-composition doesn't exist.

18. CSS: animation-composition: Property animation-composition doesn't exist. Extract: mposition:replace;}}[id

    Rule engine: Html Checker API (World Wide Web Consortium)

    Rule: CSS: animation-composition: Property animation-composition doesn't exist.