diff --git a/assets/css/style.css b/assets/css/style.css
index ebe22ec..7df678b 100644
--- a/assets/css/style.css
+++ b/assets/css/style.css
@@ -145,6 +145,10 @@ table, th {
     border: 1px solid #750cf2;
 }
 
+.hidden {
+    display: none;
+}
+
 .kill-margin-bottom {
     margin-bottom: 0 !important;
 }