diff --git a/BlazorCanvas/BlazorCanvas/Pages/Index.razor b/BlazorCanvas/BlazorCanvas/Pages/Index.razor
index 0209b6a..b664552 100644
--- a/BlazorCanvas/BlazorCanvas/Pages/Index.razor
+++ b/BlazorCanvas/BlazorCanvas/Pages/Index.razor
@@ -8,37 +8,41 @@
 @inject IJSRuntime jsRuntime
 
 <header>
-    <h3>Canvas Communautaire!</h3>
-    <label>Couleur: </label>
-    <select @bind="@currentcolor">
-        <option value="Black" selected>Noir</option>
-        <option value="Red">Rouge</option>
-        <option value="Blue">Bleu</option>
-        <option value="Green">Vert</option>
-        <option value="Yellow">Jaune</option>
-        <option value="DarkRed">Bourgogne</option>
-        <option value="DarkBlue">Bleu nuit</option>
-        <option value="DarkGreen">Vert forêt</option>
-        <option value="LightBlue">Cyan</option>
-        <option value="LightGreen">Jade</option>
-        <option value="LightYellow">Jaune pâle</option>
-        <option value="Gray">Gris</option>
-        <option value="White">Blanc</option>
-    </select>
-    <label>Grosseur du trait: </label>
-    <select @bind="@pointsize">
-        <option value="1" selected>1</option>
-        <option value="2">2</option>
-        <option value="3">3</option>
-        <option value="4">4</option>
-        <option value="8">8</option>
-        <option value="16">16</option>
-        <option value="32">32</option>
-    </select>
+    <div style="padding: 5px; background-color: darkgray;">
+        <h3>Canvas Communautaire!</h3>
+        <label>Couleur: </label>
+        <select @bind="@currentcolor">
+            <option value="Black" selected>Noir</option>
+            <option value="Red">Rouge</option>
+            <option value="Blue">Bleu</option>
+            <option value="Green">Vert</option>
+            <option value="Yellow">Jaune</option>
+            <option value="DarkRed">Bourgogne</option>
+            <option value="DarkBlue">Bleu nuit</option>
+            <option value="DarkGreen">Vert forêt</option>
+            <option value="LightBlue">Cyan</option>
+            <option value="LightGreen">Jade</option>
+            <option value="LightYellow">Jaune pâle</option>
+            <option value="Gray">Gris</option>
+            <option value="White">Blanc</option>
+        </select>
+        <label>Grosseur du trait: </label>
+        <select @bind="@pointsize">
+            <option value="1" selected>1</option>
+            <option value="2">2</option>
+            <option value="3">3</option>
+            <option value="4">4</option>
+            <option value="8">8</option>
+            <option value="16">16</option>
+            <option value="32">32</option>
+        </select>
+    </div>
 </header>
-<div @ref="divCanvas" @onmousemove="OnMouseMove" style="border:1px solid #000000;">
+<div @ref="divCanvas" @onmousemove="OnMouseMove" style="border:1px dotted #000000;">
     <BECanvas @ref="myCanvas" Height="1080" Width="1920"></BECanvas>
 </div>
+<footer>
+</footer>
 
 @code {
     ElementReference divCanvas;
@@ -48,24 +52,30 @@
     private string currentcolor { get; set; } = "Black";
     private int pointsize { get; set; } = 1;
 
-    async void OnMouseMove(MouseEventArgs eventArgs) {
+    async void OnMouseMove(MouseEventArgs eventArgs)
+    {
         double mouseX = 0, mouseY = 0;
 
-        if (eventArgs.Buttons == 0)
-            return;
-        if (divCanvas.Id?.Length > 0) {
+        if (eventArgs.Buttons == 0 || eventArgs.Buttons > 2)
+            return; // Rien faire si aucun bouton est appuyé ou si les deux boutons/ d'autres boutons sont appuyés.
+
+        if (divCanvas.Id?.Length > 0)
+        {
             string data = await jsRuntime.InvokeAsync<string>("getDivCanvasOffsets",
                 new object[] { divCanvas });
             JObject? offsets = (JObject?)JsonConvert.DeserializeObject(data);
 
-            if (offsets is not null && offsets.HasValues) {
+            if (offsets is not null && offsets.HasValues)
+            { // Translation entre le canvas et la souris.
                 mouseX = eventArgs.ClientX - offsets.Value<double>("offsetLeft");
                 mouseY = eventArgs.ClientY - offsets.Value<double>("offsetTop");
             }
             if (currentCanvasContext is null)
                 currentCanvasContext = await myCanvas.CreateCanvas2DAsync();
 
-            await currentCanvasContext.SetFillStyleAsync(currentcolor);
+            await currentCanvasContext.SetFillStyleAsync(eventArgs.Buttons == 1 ?
+                                                                        currentcolor :
+                                                                        "White"); // Couleur si bouton gauche, blanc si bouton droit
             await currentCanvasContext.FillRectAsync(mouseX, mouseY, pointsize, pointsize);
         }
     }