diff --git a/index.html b/index.html
index 86c5e76..723c220 100644
--- a/index.html
+++ b/index.html
@@ -21,7 +21,7 @@
             <header>
                 <h2>L<img src="icones/lotus.svg" alt="O">TUS</h2>
             </header>
-            <form id="optionsForm" action="#">
+            <form id="optionsForm" action="#" method="dialog">
                 <fieldset class="grid">
                     <legend>
                         Trouvez des mot comprenant entre
@@ -53,23 +53,28 @@
                 </fieldset>
             </form>
             <footer>
-                <button id="confirmOptionsButton">OK</button>
+                <button id="confirmOptionsButton" type="submit" form="optionsForm">Jouer</button>
             </footer>
         </article>
     </dialog>
-
-    <main class="container">
+    
+    <header class="container">
         <nav>
             <ul>
-                <li><button id="optionsButton" class="outline secondary" title="Options">
-                    <svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="currentColor"><path d="m370-80-16-128q-13-5-24.5-12T307-235l-119 50L78-375l103-78q-1-7-1-13.5v-27q0-6.5 1-13.5L78-585l110-190 119 50q11-8 23-15t24-12l16-128h220l16 128q13 5 24.5 12t22.5 15l119-50 110 190-103 78q1 7 1 13.5v27q0 6.5-2 13.5l103 78-110 190-118-50q-11 8-23 15t-24 12L590-80H370Zm70-80h79l14-106q31-8 57.5-23.5T639-327l99 41 39-68-86-65q5-14 7-29.5t2-31.5q0-16-2-31.5t-7-29.5l86-65-39-68-99 42q-22-23-48.5-38.5T533-694l-13-106h-79l-14 106q-31 8-57.5 23.5T321-633l-99-41-39 68 86 64q-5 15-7 30t-2 32q0 16 2 31t7 30l-86 65 39 68 99-42q22 23 48.5 38.5T427-266l13 106Zm42-180q58 0 99-41t41-99q0-58-41-99t-99-41q-59 0-99.5 41T342-480q0 58 40.5 99t99.5 41Zm-2-140Z"/></svg>
-                </button></li>
+                <li style="position: fixed;">
+                    <button id="optionsButton" class="outline secondary" title="Options">
+                        <svg xmlns="http://www.w3.org/2000/svg" height="24px" viewBox="0 -960 960 960" width="24px" fill="currentColor"><path d="m370-80-16-128q-13-5-24.5-12T307-235l-119 50L78-375l103-78q-1-7-1-13.5v-27q0-6.5 1-13.5L78-585l110-190 119 50q11-8 23-15t24-12l16-128h220l16 128q13 5 24.5 12t22.5 15l119-50 110 190-103 78q1 7 1 13.5v27q0 6.5-2 13.5l103 78-110 190-118-50q-11 8-23 15t-24 12L590-80H370Zm70-80h79l14-106q31-8 57.5-23.5T639-327l99 41 39-68-86-65q5-14 7-29.5t2-31.5q0-16-2-31.5t-7-29.5l86-65-39-68-99 42q-22-23-48.5-38.5T533-694l-13-106h-79l-14 106q-31 8-57.5 23.5T321-633l-99-41-39 68 86 64q-5 15-7 30t-2 32q0 16 2 31t7 30l-86 65 39 68 99-42q22 23 48.5 38.5T427-266l13 106Zm42-180q58 0 99-41t41-99q0-58-41-99t-99-41q-59 0-99.5 41T342-480q0 58 40.5 99t99.5 41Zm-2-140Z"/></svg>
+                    </button>
+                </li>
             </ul>
             <ul>
                 <li><h1>L<img src="icones/lotus.svg" alt="O">TUS</h1></li>
             </ul>
           <ul></ul>
         </nav>
+    </header>
+
+    <main class="container">
         <div id="grille"></div>
     </main>
 
diff --git a/script.js b/script.js
index e9f8a52..0ff53cf 100644
--- a/script.js
+++ b/script.js
@@ -13,7 +13,7 @@ optionsButton.onclick = function(event) {
     optionsDialog.showModal();
 }
 
-confirmOptionsButton.onclick = function(event) {
+optionsForm.onsubmit = function(event) {
     if (optionsForm.checkValidity()) {
         volumeOn = volumeCheckbox.checked
         minLettres = Math.min(minLettresInput.value, maxLettresInput.value)
diff --git a/style.css b/style.css
index 89c4679..d0007b0 100644
--- a/style.css
+++ b/style.css
@@ -13,7 +13,7 @@ h1 {
 
 h1 img,
 h2 img {
-  background-color: var(--pico-h1-color);
+  background-color: currentColor;
   border-radius: 100%;
   background-origin: content-box;
   padding: 0;