A.21 WCAG 2.2 Success Criterion 2.4.13 – Focus Appearance

When a focus indicator is shown, ensure that it is sufficient in size and colour contrast, and it should have the area of a 2 CSS pixel thick outline with minimum 3:1 colour contrast ratio against unfocused states.

Before Rectification

Focus area do not have sufficient size.

After Rectification

Focus indicator provided sufficient colour contrast and size, make it easier to spot.

WCAG 2.2 Reference:

https://www.w3.org/WAI/WCAG22/Understanding/focus-appearance.html