Kilotest: Diagnoses of z-index not zero violation by HTML element 510 on Portland State University Senior Adult Learning Center page

Here is how tools diagnose the z-index not zero issue for HTML element 510 of the Portland State University Senior Adult Learning Center 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 Portland State University Senior Adult Learning Center page
  • URL: https://www.pdx.edu/senior-adult-learning-center/
  • Tested on 2026-04-07 at 18:28
• About HTML element 510
  • Tag name: UL
  • Text: ADD TO MY CALENDAR
  • Start tag: <ul class="atcb-list">
  • XPath: [not obtained]
  • Bounding box: x = 1244, y = 3644, width = 170, height = 172

Diagnoses

1. z-index style property of the element is 900

   Tool: Testaro (CVS Health)

   Rule: zIndex