Kilotest: Diagnoses of overflow hidden? violation by HTML element 999 on Mozilla Foundation page

Here is how tools diagnose the overflow hidden? issue for HTML element 999 of the Mozilla Foundation page.

Basics

• About the overflow hidden? issue
  • Why it matters: User may be unable to enlarge the text for readability
  • Priority: lowest
  • Related WCAG standard: 1.4.4
• About the Mozilla Foundation page
  • URL: https://www.mozilla.org/en-US/
  • Tested on 2026-04-03 at 03:56
• About HTML element 999
  • Take me there
  • Tag name: A
  • Text: Instagram (@mozilla)
  • Start tag: <a class="instagram" href="https://www.instagram.com/mozilla/" data-link-position="footer" data-link-text="Instagram (@mozilla)">
  • XPath: /html/body/div[2]/footer[1]/div[2]/div[1]/div[1]/div[3]/div[1]/ul[1]/li[2]/a[1]
  • Bounding box: x = 1540, y = 7594, width = 24, height = 25

Diagnoses

1. [warning] Check if each ancestor or the text node is not clipped by overflow.

   Tool: QualWeb (University of Lisbon)

   Rule: QW-ACT-R40