diff --git a/packages/react/src/themes/strudel-theme.js b/packages/react/src/themes/strudel-theme.js
index 4ae31060..4d60cbba 100644
--- a/packages/react/src/themes/strudel-theme.js
+++ b/packages/react/src/themes/strudel-theme.js
@@ -13,6 +13,7 @@ export default createTheme({
     gutterBackground: 'transparent',
     // gutterForeground: '#8a919966',
     gutterForeground: '#8a919966',
+    customStyle: '.cm-focused { outline: none !important }',
   },
   styles: [
     { tag: t.keyword, color: '#c792ea' },
diff --git a/website/src/repl/themes.mjs b/website/src/repl/themes.mjs
index bee95fd1..a7f989cd 100644
--- a/website/src/repl/themes.mjs
+++ b/website/src/repl/themes.mjs
@@ -93,6 +93,7 @@ export const settings = {
     gutterBackground: 'transparent',
     // gutterForeground: '#8a919966',
     gutterForeground: '#8a919966',
+    customStyle: '.cm-focused { outline: none !important }',
   },
   bluescreen: bluescreenSettings,
   blackscreen: blackscreenSettings,