Hi David, in version 3.x the login page is part of the gateway-microservice. So changing it is not possible out of the box because it would mean to adapt the gateway-microservice. While I would recommend not to do it, if absolutely neccessary you can either order our team to develop an adapted gateway-service for you or you can adapt it yourself - either way you then will have to manually redo the changes after every update of enaio because the setup overwrites the microservice jar-files.
With version 4.x this changed and the login page is part of the client. This makes it possible for you to override it.