Success Criterion 1.4.4
Conformance level AA

Button or Nav Text That Overflows Its Fixed-Size Container

1.4.4 — Resize Text

Scenario

Setting

A podcast app's episode list

What’s wrong

Text in fixed-size buttons/nav wrapping out of view or overlapping icons.

Example

html { font-size: 14px; } /* fixed px, breaks at 200% browser zoom */

Why it matters

Low-vision people who enlarge text instead of using a screen reader.

How to test

Set zoom to 200% and inspect fixed-size buttons/nav items: text should wrap or the container should grow — if it overflows outside the visible button, it fails.

How to fix

At 200% text size/zoom, all content and controls must remain visible, readable, and usable — nothing clipped, overlapped, or lost. html { font-size: 100%; } body { font-size: 1rem; } /* scales with zoom */ Text sized in rem/em scales when the user zooms; hard-coded pixel sizes can get clipped or overlap.

Outcome

On a podcast app's episode list, this barrier is gone for low-vision people who enlarge text instead of using a screen reader — they no longer have to work around this.

Who is affected