An accessible website/app is our number one priority. We value all contributions that put user accessibility as the top consideration when creating or modifying user interface elements. See http://www.w3.org/WAI/intro/wcag and for information/examples about accessible forms/controls see http://webaim.org/techniques/forms/controls ; for details of the Evoxlabs accessibility project, see http://evoxlabs.org/
Example from https://github.com/unlockedlab/unlockphilly#contributing