Kilotest: Diagnoses of z-index not zero violation by HTML element 105 on Prometheus page

Here is how tools diagnose the z-index not zero issue for HTML element 105 of the Prometheus page.

Basics

• About the z-index not zero issue
  • Why it matters: User cannot predict the effect of clicking
  • Priority: lowest
  • Related WCAG standard: 1.4
• About the Prometheus page
  • URL: https://www.joinprometheus.org/
  • Tested on 2026-04-07 at 19:19
• About HTML element 105
  • Tag name: HEADER
  • Text: Employers & Educators … SIGN IN
  • Start tag: <header id="SITE_HEADER" class="xU8fqS SITE_HEADER wixui-header" tabindex="-1">
  • XPath: /html/body/div[1]/div[1]/div[3]/div[1]/header[1]
  • Bounding box: x = 0, y = 0, width = 1920, height = 89

Diagnoses

1. z-index style property of the element is 49

   Tool: Testaro (CVS Health)

   Rule: zIndex