Kilotest: Diagnoses of CSS invalid
violation by HTML element 0 on 350 Sacramento page
Here is how tools diagnose the CSS invalid
issue for HTML element 0 of the 350 Sacramento page.
Basics
- About the
CSS invalid
issue- Why it matters: Document cannot be properly displayed
- Priority: high
- Related WCAG standard: 4.1
- About the 350 Sacramento page
- URL:
https://350sacramento.org/ - Tested on 2026-04-02 at 14:10
- URL:
- About HTML element 0
- Tag name:
HTML - Text: [not applicable]
- Start tag:
<html lang="en-US" class="js" data-uw-w-loader=""> - XPath:
/html - Bounding box: x = 0, y = 0, width = 1920, height = 6075
- Tag name:
Diagnoses
- CSS: contain-intrinsic-size: Property contain-intrinsic-size doesn't exist.
Tool: Html Checker API (World Wide Web Consortium)
- CSS: background-color: 15657 is not a background-color value.
Tool: Html Checker API (World Wide Web Consortium)