diff --git a/public/css/module.less b/public/css/module.less
index 270fa7d2..2a5b6ff7 100644
--- a/public/css/module.less
+++ b/public/css/module.less
@@ -717,6 +717,18 @@ p.error {
     }
 }
 
+p.warning {
+    color: white;
+    padding: 1em 2em;
+    background-color: @colorWarning;
+    font-weight: bold;
+
+    a {
+        color: inherit;
+        text-decoration: underline;
+    }
+}
+
 table.tinystats {
   font-size: 0.7em;
   float: right;