graph TD
A[Christmas] -->|Get money| B(Go shopping)
subgraph 1test["id starting with number"]
A
end
style 1test fill:#F99,stroke-width:2px,stroke:#F0F
graph TD
A[Christmas] -->|Get money| B(Go shopping)
subgraph test["id starting with number"]
A
end
style test fill:#F99,stroke-width:2px,stroke:#F0F