Kilotest: Diagnoses of CSS invalid violation by HTML element 2757 on Cátedra UNESCO Legislación, Sociedad y Patrimonio page

Basics

About the Cátedra UNESCO Legislación, Sociedad y Patrimonio page

• URL: https://catedrapatrimonio.wixsite.com/ugto
• Tested 13 days ago by job auj on 2026-07-07 at 18:07

About HTML element 2757

• Tag name: SPAN
• Text: [not applicable]
• Start tag: <span style="color:color_18;" class="wixui-rich-text__text">
• XPath: [not obtained]
• Bounding box: x = 1020, y = 22751, width = 170, height = 16

About the CSS invalid issue

• Why it matters: Document cannot be properly displayed
• Priority: high
• Related WCAG standard: 4.1

Diagnoses

Here is how rule engines diagnose the CSS invalid issue for HTML element 2757 of the Cátedra UNESCO Legislación, Sociedad y Patrimonio page.

1. CSS: color: color_18 is not a color value.

   Tool: Html Checker API (World Wide Web Consortium)