Ujnotes — CC0 1.0
Mermaid - code to diagram.
Mermaid - code to diagram.
Open source + free.
Theme
Set of available themes.
Only base theme can be overridden.
%%{init: {'theme': 'forest', "flowchart" : { "curve" : "basis" } } }%%'themeVariables'. {.
'primaryColor'. '#BB2528',.
'primaryTextColor'. '#fff',.
'primaryBorderColor'. '#7C0000',.
'lineColor'. '#F8B229',.
'secondaryColor'. '#006100',.
'tertiaryColor'. '#fff'.
}.
Not all styles can be overridden.
Style
Style reference using :::<>Define style block inside diagram block.
%%{init: { 'line-height':'24px'} }%%Flowchart TD.
classDef big font-size:100px,fill:#fc6b03
A:::big --> B{Let me think}.
Documentation
https://mermaid.js.org/config/theming.html
https://mermaid.live/edit
Updated:
2026 Aug 19

