Kilotest: Diagnoses of z-index not zero violation by HTML element 355 on Deque page

Basics

About the Deque page

• URL: https://www.deque.com/
• Tested 23 days ago by job 7tz on 2026-05-09 at 16:37

About HTML element 355

• Tag name: DIV
• Text: Developers
• Start tag: <div class="mega-sub-menu" role="presentation" id="mega-sub-menu-5960">
• XPath: /html/body/div[1]/header[1]/div[2]/div[1]/div[2]/nav[1]/div[1]/ul[1]/li[5]/div[1]
• Bounding box: x = 320, y = 237, width = 1279, height = 399

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 355 of the Deque page.

1. z-index style property of the element is 999

   Tool: Testaro (CVS Health)

   Rule: zIndex