fix: make code font-size smaller in displayed markdown (#817)

Co-authored-by: Mayank <mayank99@users.noreply.github.com>

styles/global.css

@@ -132,14 +132,14 @@ em-emoji-picker {
     --at-apply: mb-1;
   }
   code {
-    --at-apply: bg-code text-code px1 py0.5 rounded text-0.9em leading-0.8em;
+    --at-apply: bg-code text-code px1 py0.5 rounded text-0.875em leading-0.8em;
   }
   pre code {
     --at-apply: bg-transparent px0 py0 rounded-none leading-1.6em;
   }
 
   .code-block {
-    --at-apply: font-mono bg-code text-base p3 mt-2 rounded overflow-auto
+    --at-apply: font-mono bg-code text-0.875em p3 mt-2 rounded overflow-auto
       leading-1.6em;
 
     .shiki {