Kilotest: Diagnoses of CSS invalid
violation by HTML element 0 on Centre for Effective Altruism page
Basics
About the Centre for Effective Altruism page
- URL: https://www.effectivealtruism.org/
- Tested 38 days ago by job
6gwon 2026-04-24 at 21:54
About HTML element 0
- Tag name:
HTML - Text: [not applicable]
- Start tag:
<html lang="en"> - XPath:
/html - Bounding box: x = 0, y = 0, width = 1920, height = 8466
About the CSS invalid
issue
- Why it matters: Document cannot be properly displayed
- Priority: high
- Related WCAG standard: 4.1
Diagnoses
Here is how tools diagnose the CSS invalid
issue for HTML element 0 of the Centre for Effective Altruism page.
- CSS: flex-direciton: Property flex-direciton doesn't exist.
Tool: Html Checker API (World Wide Web Consortium)
- CSS: container-type: Property container-type doesn't exist.
Tool: Html Checker API (World Wide Web Consortium)
- CSS: Parse Error.
Tool: Html Checker API (World Wide Web Consortium)
- CSS: container-type: Property container-type doesn't exist.
Tool: Html Checker API (World Wide Web Consortium)
- CSS: container-type: Property container-type doesn't exist.
Tool: Html Checker API (World Wide Web Consortium)