Kilotest: Diagnoses of z-index not zero violation by HTML element 604 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 604

• Tag name: DIV
• Text: Benefits of Gas … Switching to Gas
• Start tag: <div class="GlobalHeader__secondary__navigation-body" id="9F9FF488FC2B4FBEAE59A65709FF4D7B">
• XPath: /html/body/div[2]/div[1]/div[1]/div[1]/div[2]/div[1]/nav[1]/div[4]/div[2]
• Bounding box: x = 798, y = 130, width = 202, 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 604 of the Northwest Natural Gas page.

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

   Tool: Testaro (CVS Health)

   Rule: zIndex