theme: Keyboard
Navigation and operation using only a keyboard.
2.4.13 Focus Appearance
Focus indicators are at least 2px thick and have a 3:1 contrast ratio against adjacent colors.
WCAG 2.1, 2.2
Level AAA
2.5.6 Concurrent Input Mechanisms
The user can happily switch between using a mouse, touchscreen, keyboard, or any other input device.
WCAG 2.0, 2.1, 2.2
Level A
3.2.1 On Focus
Nothing unexpected changes when something on the page receives keyboard focus, like a <button>
WCAG 2.0, 2.1, 2.2
Level A
3.2.2 On Input
Nothing unexpected happens when a form field value is selected, like picking an option from a dropdown menu.
WCAG 2.0, 2.1, 2.2
Level AAA
3.2.5 Change on Request
Major changes in the user interface should only happen when users intentionally trigger them, typically with a button or link.
WCAG 2.0, 2.1, 2.2
Level A
4.1.2 Name, Role, Value
The semantic meaning of every interactive element (form controls, links, headings, landmarks, tables, and so on) is correct, and each has an accessible name.
