Kilotest: Diagnoses of z-index not zero violation by HTML element 638 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 638

• Tag name: BUTTON
• Text: Sign In
• Start tag: <button type="submit" class="Button Button--default Button-link Button--auto">
• XPath: /html/body/div[2]/div[1]/div[1]/div[1]/div[2]/div[1]/div[1]/form[1]/button[1]
• Bounding box: x = 0, y = 0, width = 0, height = 0

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 638 of the Northwest Natural Gas page.

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

   Tool: Testaro (CVS Health)

   Rule: zIndex