Update crps learning introduction slide + finger alignment

_extensions/quarto-ext/pointer/pointer.css

@@ -10,7 +10,7 @@
   top: 0;
   left: 0;
   opacity: 0;
-  transform: translate(-50%, -50%);
+  transform: translate(-30%, 0%);
   transition: opacity 0.4s ease-in-out;
   z-index: 99;
 }