diff --git a/assets/css/workbook.css b/assets/css/workbook.css
index fe99984..98b0274 100644
--- a/assets/css/workbook.css
+++ b/assets/css/workbook.css
@@ -112,6 +112,7 @@ main {
     aspect-ratio: 1;
     border: 1px solid currentColor;
     padding: 32px;
+    font-stretch: 50%;
 
 
 
@@ -125,6 +126,9 @@ main {
     text-align: center;
 }
 
+.card:hover {
+    background-color: grey;
+}
 
 
 .card > * {