diff --git a/src/www/css/app.css b/src/www/css/app.css
index 472b2ac..c511236 100644
--- a/src/www/css/app.css
+++ b/src/www/css/app.css
@@ -802,6 +802,11 @@ video {
   display: none;
 }
 
+.size-6 {
+  width: 1.5rem;
+  height: 1.5rem;
+}
+
 .h-1 {
   height: 0.25rem;
 }