Kilotest: Diagnoses of z-index not zero violation by HTML element 783 on Sightline Institute page

Here is how tools diagnose the z-index not zero issue for HTML element 783 of the Sightline Institute 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 Sightline Institute page
  • URL: https://www.sightline.org/
  • Tested on 2026-04-03 at 04:04
• About HTML element 783
  • Take me there
  • Tag name: FOOTER
  • Text: Nonpartisan, nonprofit research and analysis to support strong communities, a green economy, and a healthy environment. … Terms of Service | Privacy Notice | Free Use Policy
  • Start tag: <footer class="gb-container gb-container-4bc5556e alignfull">
  • XPath: /html/body/div[3]/footer[1]
  • Bounding box: x = 0, y = 2997, width = 1920, height = 599

Diagnoses

1. z-index style property of the element is 9

   Tool: Testaro (CVS Health)

   Rule: zIndex