Kilotest: Diagnoses of stylesheet prohibited violation by HTML element 5 on Salesforce Known Issues page

Basics

About the Salesforce Known Issues page

• URL: https://help.salesforce.com/s/issues
• Tested 7 days ago by job 54m on 2026-05-26 at 03:54

About HTML element 5

• Tag name: LINK
• Text: [not applicable]
• Start tag: <link rel="stylesheet" type="text/css" href="/s/sfsites/c/resource/AgentforceButtonStyles/agent-en-us.css?ver=258.2">
• XPath: /html/head[1]/link[2]
• Bounding box: x = 0, y = 0, width = 0, height = 0

About the stylesheet prohibited issue

• Why it matters: Browser displays the document improperly
• Priority: high
• Related WCAG standard: 1.4

Diagnoses

Here is how tools diagnose the stylesheet prohibited issue for HTML element 5 of the Salesforce Known Issues page.

1. Resource violates Content Security Policy (meta tag): external stylesheet /s/sfsites/c/resource/AgentforceButtonStyles/ag... blocked by style-src directive.

   Tool: Html Checker (World Wide Web Consortium)