diff --git a/platypush/backend/http/webapp/src/components/Modal.vue b/platypush/backend/http/webapp/src/components/Modal.vue
index 03896a24..0984f6e2 100644
--- a/platypush/backend/http/webapp/src/components/Modal.vue
+++ b/platypush/backend/http/webapp/src/components/Modal.vue
@@ -180,6 +180,8 @@ $icon-margin: 0.5em;
 
   .modal {
     display: flex;
+    max-width: 100%;
+    justify-content: center;
 
     .content {
       --width: auto;