How to change the color of arrowheads

[LaurentDumont]

Hi!

It seems that this : #376 was merged a while back. I'm looking at a way to get the arrowheads to change color in a LR graph as I have a dark background and they don't show up very clearly.

I've tried using a similar structure as the link style but it doesn't seem to work...

graph LR;
  A[Prometheus] --> B[Alertmanager] -->|WEBHOOK| C[Laptop FastAPI] -->|PRINT| D[Okidata 184 Turbo]
  linkStyle default stroke-width:2px,fill:green,stroke:blue;
{{< / mermaid >}}

[GDFaber]

I'm closing this issue in favour of #1236 which also covers the topic.