Frontmatter controlsURL copied

You can add a frontmatter block at the top of a Mermaid diagram:

```mermaid
---
width: 85vw
height: 60vh
min-height: 400px
---
graph LR
    ...
```

Supported keys:

• width (default: 65vw)
• height (default: auto)
• min-height (default: 400px)
• aspect_ratio (Gantt charts)