Kilotest: Diagnoses of invalid CSS at-rule violation by HTML element 0 on Global Greengrants Fund contact page

Basics

About the page

• URL: https://www.greengrants.org/contact/
• Tested 3 days ago on 2026-10-07 at 21:39 by job 261007T2129-din
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 534
  • Violators: 187
  • Issues: 57
• 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 API)
• Violations: 2
• Violators: 1

About the violator

• Tag name: HTML
• Text: [not applicable]
• Start tag: <html class="whatinput-types-initial whatinput-types-keyboard" dir="ltr" lang="en-US" prefix="og: https://ogp.me/ns#" data-whatinput="keyboard" data-whatintent="keyboard">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 2634
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the invalid CSS at-rule issue for HTML element 0 of the Global Greengrants Fund contact page.

1. Style rule #darkify_switch_ not allowed outside an @scope rule in a style element in body. Extract: [1]"> #darkify_switch_ {

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

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

2. Style rule #darkify_switch_ not allowed outside an @scope rule in a style element in body. Extract: #darkify_switch_ {

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

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