This environment comes in the beginning of the film. There will be some retro, futuristic nuances here and there in every environment. It could be props, music, sound, ambiance or architecture. At the moment, I would say above image is more or less there. The more subtle stuff only can be seen in a rendered sequence. Wiggly outlines have a lot to contribute when it comes to animated objects. And then there are television screens, posters, touch panels etc. As for the render itself, I would say non photo-realistic looking textures is where all the time went.