diff --git a/src/admin/views/race/view-race-edit.php b/src/admin/views/race/view-race-edit.php
index fadd389..0635a46 100644
--- a/src/admin/views/race/view-race-edit.php
+++ b/src/admin/views/race/view-race-edit.php
@@ -36,8 +36,8 @@ class CASS_View_Race_Edit
       //Create mode
       $race->setStart(date("Y-m-d H:i:s"));
       $race->setEnd(date("Y-m-d H:i:s"));
-      $race->setSubscriptionStart(date("Y-m-d H:i:s"));
-      $race->setSubscriptionEnd(date("Y-m-d H:i:s"));
+      $race->setSubscriptionStart(null);
+
     }
 
     //Validating data 
@@ -101,20 +101,6 @@ class CASS_View_Race_Edit
         $race->setEnd($_POST["end"]);
       }
 
-      if ($_POST["subscriptionStart"] == "") {
-        // echo "<p>* le début des inscriptions est obligatoire</p>";
-        $dataValidationSuccess = false;
-      } else {
-        $race->setSubscriptionStart($_POST["subscriptionStart"]);
-      }
-
-      if ($_POST["subscriptionEnd"] == "") {
-        // echo "<p>* la fin des inscriptions est obligatoire</p>";
-        $dataValidationSuccess = false;
-      } else {
-        $race->setSubscriptionEnd($_POST["subscriptionEnd"]);
-      }
-
       if (intval($_POST["level"]) == 0) {
         // echo "<p>* le niveau est obligatoire</p>";
         $dataValidationSuccess = false;
@@ -174,8 +160,12 @@ class CASS_View_Race_Edit
       $race->setParticipantMax(intval($_POST["participantMax"]));
       $race->setIDWPUser_Deputy(intval($_POST["IDWPUser_Deputy"]));
       $race->setParticipantMin(intval($_POST["participantMin"]));
+      $race->setParticipantMin(intval($_POST["participantMin"]));
+      $race->setParticipantMin(intval($_POST["participantMin"]));
+      $race->setSubscriptionStart($_POST["subscriptionStart"]);
+      $race->setSubscriptionEnd($_POST["subscriptionEnd"]);
 
-      if ($dataValidationSuccess) {
+        if ($dataValidationSuccess) {
         switch ($stateForm) {
           case 'create':
             $race->setDtCreation(date("Y-m-d H:i:s"));
@@ -430,15 +420,15 @@ class CASS_View_Race_Edit
         </div>
         <br />
         <div class="form-element">
-          <label class="form-element">Début des inscriptions*</label>
-          <input class="cass" type="datetime-local" name="subscriptionStart" required
+          <label class="form-element">Début des inscriptions</label>
+          <input class="cass" type="datetime-local" name="subscriptionStart"
             value="<?php echo date('Y-m-d\TH:i', strtotime($race->getSubscriptionStart())) ?>">
 
         </div>
         <br />
         <div class="form-element">
-          <label class="form-element">Fin des inscriptions*</label>
-          <input class="cass" type="datetime-local" name="subscriptionEnd" required
+          <label class="form-element">Fin des inscriptions</label>
+          <input class="cass" type="datetime-local" name="subscriptionEnd"
           value="<?php echo date('Y-m-d\TH:i', strtotime($race->getSubscriptionEnd())) ?>">
         </div>
         <br />
diff --git a/src/frontend/cass-shortcode-calendar-global.js b/src/frontend/cass-shortcode-calendar-global.js
index fdf1f0f..1463063 100644
--- a/src/frontend/cass-shortcode-calendar-global.js
+++ b/src/frontend/cass-shortcode-calendar-global.js
@@ -149,8 +149,19 @@ document.addEventListener('DOMContentLoaded', function () {
 
                     let headerToolbarButtons;
 
+                    let buttonText;
+
+                    let isMobile = window.matchMedia("(pointer:coarse)").matches;
+
+                    console.log(isMobile) ;
+
                     if (window.viewChangeVisible == "true") {
-                        headerToolbarButtons = "timeGridDay,timeGridWeek,dayGridMonth,multiMonthYear,listMonth";
+                        if(isMobile == true) {
+                            headerToolbarButtons="listMonth";
+                            window.initialView = "listMonth";
+                        }
+                        else {
+                            headerToolbarButtons = "timeGridDay,timeGridWeek,dayGridMonth,multiMonthYear,listMonth"; }
                     } else {
                         headerToolbarButtons = window.initialView;
                     }
@@ -173,9 +184,13 @@ document.addEventListener('DOMContentLoaded', function () {
                             multiMonthYear: 'Année',
                             listMonth: 'Liste'
                         },
-
-
-
+                        titleFormat: isMobile ? {
+                            month: 'short',
+                            year: 'numeric'
+                        } : {
+                            month: 'long',
+                            year: 'numeric'
+                        },
                         initialView: window.initialView,
                         eventMouseEnter: function (event) {
                             $(event.el).popover({