diff --git a/index.html b/index.html
index 92e12a3..df66622 100644
--- a/index.html
+++ b/index.html
@@ -16,22 +16,16 @@
 
 <body>
 
-    <dialog id="optionsDialog">
+    <dialog id="optionsDialog" open>
         <article>
             <header>
                 <h2>L<img src="icones/lotus.svg" alt="O">TUS</h2>
             </header>
             <form id="optionsForm" action="#" method="dialog">
-                <fieldset class="grid">
-                    <legend>
-                        Trouvez des mot comprenant entre
-                    </legend>
+                <fieldset>
                     <label class="option">
-                        <input type="number" id="minLettresInput" min="6" max="10" value="6" size="2" required/>
-                        et
-                    </label>
-                    <label class="option">
-                        <input type="number" id="maxLettresInput" min="6" max="10" value="10" size="2" required/>
+                        Trouvez des mot de
+                        <input type="number" id="nbLettresInput" min="6" max="10" value="8" size="2" step="1" required/>
                         lettres.
                     </label>
                 </fieldset>
@@ -46,14 +40,16 @@
                     </label>
                 </fieldset>
                 <fieldset>
-                    <label for="volumeCheckbox" style="align-items: end;">
+                    <label for="volumeCheckbox" style="align-items: end;" class="option">
                         <input id="volumeCheckbox" type="checkbox" role="switch" checked/>
                         Effets sonores
                     </label>
                 </fieldset>
             </form>
             <footer>
-                <button id="confirmOptionsButton" type="submit" form="optionsForm">Jouer</button>
+                <button id="confirmOptionsButton" type="submit" form="optionsForm" disabled>
+                    <div aria-busy="true"></div>
+                </button>
             </footer>
         </article>
     </dialog>
diff --git a/script.js b/script.js
index f162629..74444e0 100644
--- a/script.js
+++ b/script.js
@@ -1,23 +1,21 @@
 const NB_ESSAIS_MAX = 6
 const periode = 400 //ms
 
-var volumeOn = true
-var minLettres = 6
-var maxLettres = 10
-
 window.onload = function(event) {
-    optionsDialog.showModal();
+    confirmOptionsButton.innerHTML = "Jouer"
+    confirmOptionsButton.disabled = false
 }
 
 optionsButton.onclick = function(event) {
     optionsDialog.showModal();
 }
 
+var volumeOn = true
+var nbLettres = 8
 optionsForm.onsubmit = function(event) {
     if (optionsForm.checkValidity()) {
         volumeOn = volumeCheckbox.checked
-        minLettres = minLettresInput.valueAsNumber
-        maxLettres = maxLettresInput.valueAsNumber
+        nbLettres = nbLettresInput.valueAsNumber
         optionsDialog.close()
         if (!nbEssais) nouvellePartie()
     } else {
@@ -28,11 +26,9 @@ optionsForm.onsubmit = function(event) {
 var motATrouver
 var listeATrouver
 var lettresTrouvees
-var nbLettres
 var nbEssais = 0
 function nouvellePartie() {
     nbEssais = 0
-    nbLettres = minLettres + Math.floor(Math.random() * (Math.abs(maxLettres - minLettres) + 1))
     motATrouver = motsATrouver[nbLettres][Math.floor(motsATrouver[nbLettres].length * Math.random())]
     motATrouver = motATrouver.normalize("NFD").replace(/\p{Diacritic}/gu, "")
     listeATrouver = Array.from(motATrouver)
diff --git a/style.css b/style.css
index 29a2755..23fcee9 100644
--- a/style.css
+++ b/style.css
@@ -34,6 +34,15 @@ label.option {
   display: flex;
   align-items: baseline;
   gap: 1em;
+  width: 100%;;
+}
+
+label.option * {
+  width: auto;
+}
+
+[type="checkbox"][role="switch"] {
+  margin: 0;
 }
 
 #grille {
