Reduce font-size of inline code

_extensions/mpim/slides.scss

@@ -77,6 +77,11 @@ h2 {
  transition: none;
 }
 
+.reveal code:not(.sourceCode) {
+    /*-- reduce size of inline code --*/
+    font-size: smaller;
+}
+
 .centerbig {
     text-align: center;
     font-size: 1.5em;