diff --git a/src/layouts/default.astro b/src/layouts/default.astro
index 02357ad5..87b9fa6e 100644
--- a/src/layouts/default.astro
+++ b/src/layouts/default.astro
@@ -306,6 +306,11 @@ const canonical = new URL(path, Astro.site);
         text-decoration-thickness: 0.125em;
         text-underline-offset: 0.125em;
       }
+      img {
+        width: 100%;
+        height: auto;
+        aspect-ratio: auto;
+      }
 
       input,
       textarea {