diff --git a/parts/header.php b/parts/header.php
index 9e48743..b890c3a 100644
--- a/parts/header.php
+++ b/parts/header.php
@@ -21,7 +21,7 @@
             </li>
         </ul>
         <form class="nav-button form-inline mt-2 mt-md-0">
-            <input id="buttonNewPlane" type="button" class="btn btn-warning my-2 my-sm-0" data-toggle="modal" data-target="#newPlaneModal" value='Envoyer un avion'>
+            <input id="buttonNewPlane" type="button" class="btn btn-warning my-2 my-sm-0" data-toggle="modal" data-target="#newPlaneModal" value='Lancer un avion-poème 0/100'>
             </input>&nbsp;
             <i id="planeLimitTooltip" class="fas fa-question-circle" data-toggle="tooltip" data-placement="auto" title="coucou"></i>
         </form>
diff --git a/src/app.css b/src/app.css
index 3bc03be..f5fa67d 100644
--- a/src/app.css
+++ b/src/app.css
@@ -375,6 +375,13 @@ a#navbarDropdownLang.nav-link.dropdown-toggle::after {
   background-color: white;
   opacity: 0;
   visibility: hidden;
+  transition: opacity 0.3s ease-in;
+}
+
+@media (max-width: 480px) {
+  #downloadPlaneMessage {
+    bottom: 15%;
+  }
 }
 
 #downloadPlaneMessage:before {
diff --git a/src/map.js b/src/map.js
index c6536a7..c582d3f 100644
--- a/src/map.js
+++ b/src/map.js
@@ -399,6 +399,7 @@ loader.load(function (loader, resources) {
                   $("#downloadPlaneMessage").css("visibility", "visible");
                   $("#closePlane").on("click", function () {
                     $("#canvas3d").css("display", "none");
+                    $("#downloadPlaneMessage").css("display", "none");
                     $(this).css("display", "none");
                   });
                   $("#downloadPlaneMessage").on("click", function () {