An example that supports the Web Content Accessibility Guidelines (WCAG) 2.0 principle of Robust on a mobile device is by providing:
An example that supports the Web Content Accessibility Guidelines (WCAG) 2.0 principle of Robust on a mobile device is by providing:
A is a sufficient answer, however C could also be right as providing color customization ootions allows for many different types of screens to become accessible
The "Robust" principle of WCAG 2.0 focuses on ensuring that content can be reliably interpreted by a wide variety of user agents, including assistive technologies. A does not address robustness of the standard. Color contrast is important for visual accessibility, but it's primarily related to the "Perceivable" principle of WCAG, not Robustness.