Use custom theme CSS

You can register and use custom theme CSS for Marpit / Marp Core by setting ThemePath, that includes relative paths to local files in the current vault. The registered theme can use by specifying theme name in theme global directive.

Theme.css:

/* @theme your-theme */

@import 'default';

section {
  background: #fc9;
}

Slides.md:

---
theme: your-theme
---

# Use your own theme

---

# Second Slide

Markdown preview will reload updated theme CSS automatically when you edited the registered local CSS file.

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