Kilotest: Diagnoses of z-index not zero violation by HTML element 891 on Northwest Natural Gas page

Basics

About the Northwest Natural Gas page

• URL: https://www.nwnatural.com/
• Tested 7 days ago by job wta on 2026-05-26 at 03:09

About HTML element 891

• Tag name: DIV
• Text: Session Expiration … Your session will expire in 60 seconds, please click OK to continue your session.OK
• Start tag: <div class="Modal Modal--default Modal--size-small SessionTracker__modal" data-ref="test-tracker">
• XPath: /html/body/div[3]
• Bounding box: x = 0, y = 0, width = 0, height = 0

Take me there

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 891 of the Northwest Natural Gas page.

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

   Tool: Testaro (CVS Health)

   Rule: zIndex