diff --git a/css/m4lab.css b/css/m4lab.css
index 74a6a1787e4c3233caca1c8f36223e28612b446e..7012f4cdce602c55ebdd1518a22ae87c6b6f1f52 100644
--- a/css/m4lab.css
+++ b/css/m4lab.css
@@ -276,6 +276,12 @@ justify-content:space-evenly;}
   padding: 1.25rem;
 }
 
+.card-body-fixed-height {
+  padding: 1.25rem;
+  overflow: hidden;
+  height: 13rem;
+}
+
 .card-header {
   padding: 0.75rem 1.25rem;
   margin-bottom: 0;