Kilotest: Diagnoses of z-index not zero violation by HTML element 95 on California Groundbreakers page

Here is how tools diagnose the z-index not zero issue for HTML element 95 of the California Groundbreakers 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 California Groundbreakers page
  • URL: https://www.californiagroundbreakers.org/
  • Tested on 2026-04-02 at 14:21
• About HTML element 95
  • Tag name: HEADER
  • Text: HOME … CONTACT US
  • Start tag: <header id="header" class="show-on-scroll" data-offset-el=".index-section" data-offset-behavior="bottom" role="banner">
  • XPath: /html/body/div[4]/header[1]
  • Bounding box: x = 0, y = 0, width = 1920, height = 115

Diagnoses

1. z-index style property of the element is 1000

   Tool: Testaro (CVS Health)

   Rule: zIndex