Kilotest: Diagnoses of z-index not zero violation by HTML element 1176 on Translation Commons volunteer page

Basics

About the page

• URL: https://translationcommons.org/web-volunteer-page/
• Tested 2 days ago on 2026-10-08 at 04:07 by job 261008T0404-s6j
• Summary of results:
  • Rule engines:
    • Called: 12
    • Were able to test: 12
    • Reported any rule violations: 12
  • Violations: 1648
  • Violators: 549
  • Issues: 54
• Download the full technical report (JSON)

About the issue

• Why it matters: User cannot predict the effect of clicking
• Priority: lowest
• Related WCAG standard: 1.4
• Reported by 1 rule engine (Testaro)
• Violations: 37
• Violators: 37

About the violator

• Tag name: BUTTON
• Text: Skip to content … © Translation Commons 2026
• Start tag: <button tabindex="0" id="scroll-to-top" class="scroll-to-top scroll-to-top-right scroll-show-mobile icon" aria-label="Scroll To Top">
• XPath: /html/body/button[1]
• Bounding box: [not obtained]
• Reported by Testaro

Diagnoses

Here is how rule engines diagnose the z-index not zero issue for HTML element 1176 of the Translation Commons volunteer page.

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

   Rule engine: Testaro (CVS Health)

   Rule: zIndex