diff --git a/style.css b/style.css
index 6647189..50576ca 100644
--- a/style.css
+++ b/style.css
@@ -58,6 +58,10 @@ section {
   @apply flex flex-col gap-2;
 }
 
+.card {
+  @apply border border-gray-200 dark:border-gray-800 rounded-md p-4 flex flex-col gap-4 bg-gray-100 dark:bg-gray-900;
+}
+
 footer {
   @apply py-4 flex items-center justify-between text-sm text-gray-700 dark:text-gray-400;
 }