What do you mean? Beside our website we have an app that uses the wordpress rest api.
That is how it looks on the website:
http://fs5.directupload.net/images/151206/iehjnivm.png
And that is how it looks when its passed through the wordpress api:
http://fs5.directupload.net/images/151206/hg2jhjrl.jpg
It seems that the css doesn’t get passed through the api.