diff --git a/app/src/App/input.css b/app/src/App/input.css
index e55ba14..0b54cc5 100644
--- a/app/src/App/input.css
+++ b/app/src/App/input.css
@@ -3,3 +3,9 @@
 @plugin "@tailwindcss/forms";
 @plugin "@tailwindcss/typography";
 @custom-variant dark (&:where(.dark, .dark *));
+
+/* Inline code: monospace fonts render larger at the same font-size,
+   so scale down to visually match surrounding body text. */
+.prose :where(code):not(:where(pre *)) {
+    font-size: 0.875em;
+}