Principle 2 Operable · Guideline 2.4: Navigable
2.4.12 Focus Not Obscured (Enhanced)
The focused element must not be obscured at all – not even partly.
What this means in practice
The stricter version of 2.4.11.
Normative wording
The binding text lives at the W3C. What you read here is our own faithful rendering – not a quotation.