diff --git a/css/m4lab.css b/css/m4lab.css
index b28e390322d10ddfd0b512fff51f9efcd3fa9d28..74a6a1787e4c3233caca1c8f36223e28612b446e 100644
--- a/css/m4lab.css
+++ b/css/m4lab.css
@@ -457,6 +457,11 @@ justify-content:space-evenly;}
   width: 18rem;
 }
 
+.card-portrait {
+  width: 18rem;
+  height: 25rem;
+}
+
 .no_text_decoration {
   text-decoration: none
 }