Kilotest: Diagnoses of z-index not zero violation by HTML element 255 on Portland General Electric page

Basics

About the Portland General Electric page

• URL: https://portlandgeneral.com/
• Tested 38 days ago by job 9pn on 2026-04-24 at 19:42

About HTML element 255

• Tag name: INPUT
• Text: [not applicable]
• Start tag: <input class="jss17 MuiSwitch-input" type="checkbox" value="">
• XPath: [not obtained]
• Bounding box: x = 381, y = 238, width = 102, height = 38

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 255 of the Portland General Electric page.

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

   Tool: Testaro (CVS Health)

   Rule: zIndex