diff --git a/src/css/main.css b/src/css/main.css
index ba1ee1b..a477596 100644
--- a/src/css/main.css
+++ b/src/css/main.css
@@ -179,6 +179,7 @@ body {
 .gap-4 { gap: 1rem; }
 .gap-6 { gap: 1.5rem; }
 .flex-wrap { flex-wrap: wrap; }
+.flex-col { flex-direction: column; }
 
 /* Grid */
 .grid { display: grid; }