diff --git a/templates/base.html b/templates/base.html
index 3d56f72..6d469d4 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -28,7 +28,7 @@
 
 <div class="container">
     {% for message in messages %}
-        <div class="alert alert-dismissible alert-{{ message.tags }}" role="alert">
+        <div class="alert alert-dismissible alert-{{ message.tags }} fade in" role="alert">
             <button type="button" class="close" data-dismiss="alert" aria-label="Close">
                 <span aria-hidden="true">&times;</span>
             </button>