Kilotest: Diagnoses of invalid CSS at-rule violation by HTML element 0 on Portland City Club page

Basics

About the page

• URL: https://www.pdxcityclub.org/
• Tested 0 days ago on 2026-10-10 at 05:30 by job 261010T0528-evq
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 718
  • Violators: 203
  • Issues: 53
• 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 lang="en-US">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 2859
• Reported by Html Checker API

Diagnoses

Here is how rule engines diagnose the invalid CSS at-rule issue for HTML element 0 of the Portland City Club page.

1. Style rule .npe-hide-element not allowed outside an @scope rule in a style element in body. Extract: tyle[1]"> .npe-hide-element{displ

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

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

2. Style rule span.npe-navigation-user-menu-cart not allowed outside an @scope rule in a style element in body. Extract: lay:none} span.npe-navigation-user-menu-cart{paddi

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

   Rule: Style rule span.npe-navigation-user-menu-cart not allowed outside an @scope rule in a style element in body.