mermaid
stateDiagram
    classDef red fill:
                            
                            #ff0000
                        ,stroke:#000,color:white,font-weight:bold
    classDef blue fill:
                            
                            #0000ff
                        ,stroke:#000,color:white,font-weight:bold
    classDef black fill:#000,stroke:#fff,color:white,font-weight:bold
    classDef yellow fill:#ff0,stroke:#000,color:black,font-weight:bold
    classDef pink fill:
                            
                            #ff69b4
                        ,stroke:#000,color:black,font-weight:bold

    [*] --> Red
    Red --> Blue
    Red --> Black
    Blue --> Yellow
    Black --> Pink
    Yellow --> [*]
    Pink --> [*]

    class Red red
    class Blue blue
    class Black black
    class Yellow yellow
    class Pink pink