Update astro.config.mjs

Author: Nico-Kestra

astro.config.mjs

@@ -43,7 +43,7 @@ export default defineConfig({
         }),
         expressiveCode({
             // https://expressive-code.com/guides/themes/
-            themes: ['github-dark', 'slack-ochin'],
+            themes: ['material-theme-darker', 'material-theme-lighter'],
             themeCssSelector: (theme) => {
                 if (theme.type === 'dark') return '.dark'
                 if (theme.type === 'light') return '.light'