```plantuml @startuml skinparam backgroundColor #EEEBDC skinparam ParticipantPadding 50 Title: Application overview actor user order 10 participant "Front end - Angular" order 20 participant "Back end - .Net Core API" order 30 database db order 40 user-->"Front end - Angular": Login to site ||20|| "Front end - Angular"-[#red]->"Back end - .Net Core API": Request message ||40||