diff --git a/agaric/css/agaric.css b/agaric/css/agaric.css
index f072590..d70dba6 100644
--- a/agaric/css/agaric.css
+++ b/agaric/css/agaric.css
@@ -7741,7 +7741,8 @@ a.navbar-link:focus,
       top: 5.875em; } }
 
 a.card {
-  display: block; }
+  display: block;
+  height: 100%; }
 
 .card.is-blue {
   color: #FFFFFF;