Many of the Nordic national libraries for accessible literature and publishing distribute their books in the form of EPUB3. This contains a CSS that aims to render the content in an way so that it is as accessible as possible.
The goal of this repository is to create a common CSS that incorporates all the best practices.
The explain why an accessible CSS is needed and provide general guidance for what said CSS needs to cater for.
There are some CSS files in the samples folder
mtm.cssis from a sample book from MTMsbs.cssis the CSS that is included in all the ebooks produced by SBSepub3-to-daisy202.cssis from the DAISY pipeline