# Accessibility These pages contain design documents for the accessibility implementation in Gecko. They live in the mozilla-central repository under the accessible/docs directory. The [Accessibility page on the Mozilla Wiki](https://wiki.mozilla.org/Accessibility) contains general information about accessibility and the accessibility team at Mozilla. The [Mochitest FAQ docs](../testing/mochitest-plain/faq.html#how-can-i-run-accessibility-tests-a11y-checks) contain guidance on debugging a11y-checks failures and working with AccessibilityUtils when writing frontend test cases. ```{toctree} :maxdepth: 1 GuidelinesForNewContributors Architecture DocumentAccessibilityLifecycle GeckoViewThreadTopography ColorsAndHighContrastMode HCMSettings HCMMediaQueries HCMCSSChecklist TaggedPdfOutput ```