Deploying applications to Kubernetes has been getting better and better. Things like Deployments, Dynamic Volume Provisioning and other features are allowing folks to focus on the apps more-so than the infrastructure which is great.
SMACSS is more style guide than rigid framework. There is no library within here for you to download or install. There is no git repository for you to clone. SMACSS is a way to examine your design process and as a way to fit those rigid frameworks into a flexible thought process.