Kilotest: Diagnoses of z-index not zero violation by HTML element 109 on Centre for Effective Altruism page

Basics

About the Centre for Effective Altruism page

• URL: https://www.effectivealtruism.org/
• Tested 38 days ago by job 6gw on 2026-04-24 at 21:54

About HTML element 109

• Tag name: HEADER
• Text: Learn … EA Funds
• Start tag: <header class="css-avh2iu-Nav-root-Nav-rootLight">
• XPath: /html/body/div[1]/div[1]/header[1]
• Bounding box: x = 0, y = 0, width = 1920, height = 78

About the z-index not zero issue

• Why it matters: User cannot predict the effect of clicking
• Priority: lowest
• Related WCAG standard: 1.4

Diagnoses

Here is how tools diagnose the z-index not zero issue for HTML element 109 of the Centre for Effective Altruism page.

1. z-index style property of the element is 100

   Tool: Testaro (CVS Health)

   Rule: zIndex