Kilotest: Diagnoses of z-index not zero violation by HTML element 842 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 842

• Tag name: DIV
• Text: Back to Top
• Start tag: <div class="Wrapper Wrapper--default BackToTop">
• XPath: /html/body/div[2]/div[1]/div[4]/div[1]
• Bounding box: x = 448, y = 996, width = 960, height = 44

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 842 of the Northwest Natural Gas page.

1. z-index style property of the element is 4

   Tool: Testaro (CVS Health)

   Rule: zIndex