Targets have an area of at least 24 by 24 CSS pixels, except where:
The purpose of this success criterion is to aid users who lack the ability or dexterity to activate small targets.
How to Meet
Authors need to check all items that have a target area that users can activate and ensure that they are at least 24 pixels by 24 pixels in size.
Publishers need to be aware of the context in which the targets appear. A link within a paragraph of text, for example, is exempt from this requirement, but a list of links is not. Publishers also need to pay attention to the width of links. If a table of contents only lists the chapter numbers, for example, the target area may need padding to reach 24 pixels (e.g., a link of "1" may only be a pixel wide depending on the font).
The following knowledge base pages provide more information about how to address this success criterion for publishing content: