Kilotest: Diagnoses of invalid CSS at-rule violation by HTML element 0 on Rainforest Alliance page

Basics

About the page

• URL: https://www.rainforest-alliance.org/
• Tested 2 days ago on 2026-10-07 at 22:20 by job 261007T2157-b1t
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 11
    • Reported any rule violations: 10
  • Violations: 3228
  • Violators: 1565
  • Issues: 71
• Download the full technical report (JSON)

About the issue

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

About the violator

• Tag name: HTML
• Text: [not applicable]
• Start tag: <html lang="en-US" class="">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 1080
• Reported by Html Checker

Diagnoses

Here is how rule engines diagnose the invalid CSS at-rule issue for HTML element 0 of the Rainforest Alliance page.

1. Style rule :root not allowed outside an @scope rule in a style element in body. Extract: ss'); */ :root { /

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: Style rule :root not allowed outside an @scope rule in a style element in body.