Kilotest: Diagnoses of CSS invalid violation by HTML element 0 on National Coalition Against Censorship page

Basics

About the page

• URL: https://ncac.org/
• Tested 3 days ago on 2026-10-07 at 21:59 by job 261007T2138-qpt
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 11
  • Violations: 619
  • Violators: 284
  • Issues: 49
• 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)
• Violations: 2
• Violators: 1

About the violator

• Tag name: HTML
• Text: [not applicable]
• Start tag: <html class="avada-html-layout-wide avada-html-header-position-top ua-chrome ua-chrome-153 ua-chrome-153-0 ua-chrome-153-0-8010 ua-chrome-153-0-8010-12 ua-desktop ua-desktop-macintosh ua-mac_os_x ua-mac_os_x-10 ua-mac_os_x-10-15 ua-mac_os_x-10-15-7 ua-webkit ua-webkit-537 ua-webkit-537-36 js touchevents no-applicationcache audio audio-ogg audio-mp3 audio-opus audio-wav audio-m4a canvas canvastext hashchange geolocation history inputtypes-search inputtypes-tel inputtypes-url inputtypes-email no-inputtypes-datetime inputtypes-date inputtypes-month inputtypes-week inputtypes-time inputtypes-datetime-local inputtypes-number inputtypes-range inputtypes-color postmessage postmessage-structuredclones video no-video-ogg video-h264 no-video-h265 video-webm video-vp9 video-hls no-video-av1 webgl websockets cssanimations backgroundsize borderimage borderradius boxshadow flexbox fontface generatedcontent cssgradients hsla multiplebgs opacity cssreflections rgba textshadow csstransforms supports csstransforms3d csstransitions localstorage sessionstorage no-websqldatabase svgclippaths inlinesvg smil webworkers" lang="en-US" prefix="og: http://ogp.me/ns# fb: http://ogp.me/ns/fb#" data-useragent="Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/153.0.8010.12 Safari/537.36" id="ls-global">
• XPath: /html
• Bounding box: x = 0, y = 0, width = 1920, height = 2692
• Reported by Html Checker

Diagnoses

Here is how rule engines diagnose the CSS invalid issue for HTML element 0 of the National Coalition Against Censorship page.

1. CSS: Parse Error. Extract: charset "UTF-8";ul{box-sizing:

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: CSS: Parse Error.

2. CSS: Parse Error. Extract: om-style:solid}}@media all{@fo

   Rule engine: Html Checker (World Wide Web Consortium)

   Rule: CSS: Parse Error.