Starlight Theme Galaxy

Documentation · Getting Started · Releases

A customized Astro Starlight theme for publishing docs and educational content.

Features

• Refined typography with Inter and JetBrains Mono fonts,
• Enhanced Expressive Code blocks with custom themes and styling,
• Reading progress scroll bar in the header,
• Animated theme toggle (sun/moon) with smooth transitions,
• Custom-styled Starlight components (asides, cards, badges, tabs, steps, and more),
• Banner support with splash page variant,
• CSS cascade layers for predictable and easy style overrides,
• Light and dark theme support,
• Responsive design across all devices.

Installation

npm install starlight-theme-galaxy

Usage

Add the plugin to your astro.config.mjs file:

import starlight from '@astrojs/starlight'
import { defineConfig } from 'astro/config'
import starlightThemeGalaxy from 'starlight-theme-galaxy'

export default defineConfig({
  integrations: [
    starlight({
      plugins: [starlightThemeGalaxy()],
      title: 'My Docs',
    }),
  ],
})

For more details, check out the getting started guide and the customization docs.

License

Licensed under the MIT License.