Kilotest: Diagnoses of z-index not zero violation by HTML element 225 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 225

• Tag name: DIV
• Text: Turning good intentions into greater impact … Take action
• Start tag: <div class="css-epz0bh-HeroVideo-root-HeroVideoSection-heroVideo">
• XPath: /html/body/div[1]/div[1]/div[1]/main[1]/section[1]/div[1]
• Bounding box: x = 24, y = 76, width = 1872, height = 854

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 225 of the Centre for Effective Altruism page.

1. z-index style property of the element is 3

   Tool: Testaro (CVS Health)

   Rule: zIndex