The following code generates an image with a black background
```mermaid
flowchart LR
subgraph title
direction LR
A(a)-->B(b)
end
Is the subgraph option supported?
![mermaid-obsidian-subgraph](https://github.com/mvdkwast/obsidian-copy-as-html/assets/161025476/f0bd8b8d-1898-444d-93c3-f453cbd94c2e)
Olivier
The following code generates an image with a black background