shiny-demo: Update to new CD

Change-Id: Id88acc290b5ccec9f5788802a25936a09bafd719
diff --git a/demo/shiny-apps/frequency_curves/www/frequency_curves.css b/demo/shiny-apps/frequency_curves/www/frequency_curves.css
index 10e2863..8f9ddc1 100644
--- a/demo/shiny-apps/frequency_curves/www/frequency_curves.css
+++ b/demo/shiny-apps/frequency_curves/www/frequency_curves.css
@@ -1,3 +1,9 @@
+@import url('https://fonts.googleapis.com/css2?family=Fira+Sans+Condensed:wght@300;400;700;800&family=Fira+Sans:wght@300;400;700&display=swap');
+
+body, input {
+    font-family: 'Fira Sans', sans-serif;
+    font-size: 11pt;
+}
 
 .btn-primary {
   background-color: #9BAD09;