Css classes
A should have a red background with styling from class.
graph LR;
A-->B[AAABBB];
B-->D;
class A cssClass;
A should have a red background with styling from style definition.
graph LR;
A-->B[AAABBB];
B-->D;
style A fill:#FF0000,stroke:#FFFF00,stroke-width:4px;
A should have orange background with styling from local class definition definition.
graph LR;
A-->B[AAABBB];
B-->D;
classDef orange fill:#f96,stroke:#333,stroke-width:4px;
class A orange;
linkStyle 0 stroke:#ff3,stroke-width:4px;
classDef default fill:#f9f,stroke:#333,stroke-width:4px;