Index: gc_lang/fr/webext/content_scripts/init.js
==================================================================
--- gc_lang/fr/webext/content_scripts/init.js
+++ gc_lang/fr/webext/content_scripts/init.js
@@ -141,11 +141,11 @@
         this.createMenus();
     },
 
     createTFPanel: function () {
         if (this.oTFPanel === null) {
-            this.oTFPanel = new GrammalecteTextFormatter("grammalecte_tf_panel", "Formateur de texte", 760, 615, false);
+            this.oTFPanel = new GrammalecteTextFormatter("grammalecte_tf_panel", "Formateur de texte", 760, 600, false);
             //this.oTFPanel.logInnerHTML();
             this.oTFPanel.insertIntoPage();
             window.setTimeout(function(self){
                 self.oTFPanel.adjustHeight();
             }, 50, this);

Index: gc_lang/fr/webext/content_scripts/message_box.css
==================================================================
--- gc_lang/fr/webext/content_scripts/message_box.css
+++ gc_lang/fr/webext/content_scripts/message_box.css
@@ -10,11 +10,10 @@
     margin: 0;
     top: 50%;
     left: 50%;
     width: 400px;
     margin-left: -200px;
-    margin-left: -100px;
     min-height: 100px;
     box-sizing: content-box;
     z-index: 2147483647; /* maximum is 2147483647: https://stackoverflow.com/questions/491052/minimum-and-maximum-value-of-z-index */
     border: 2px solid hsl(210, 50%, 50%);
     border-radius: 10px 10px 10px 10px;

Index: gc_lang/fr/webext/content_scripts/message_box.js
==================================================================
--- gc_lang/fr/webext/content_scripts/message_box.js
+++ gc_lang/fr/webext/content_scripts/message_box.js
@@ -56,11 +56,11 @@
         xButtonLine.appendChild(this._createCloseButton());
         return xButtonLine;
     }
 
     _createCloseButton () {
-        let xButton = oGrammalecte.createNode("div", {className: "grammalecte_close_button", textContent: "×", title: "Fermer la fenêtre"});
+        let xButton = oGrammalecte.createNode("div", {className: "grammalecte_panel_button grammalecte_close_button", textContent: "×", title: "Fermer la fenêtre"});
         xButton.onclick = function () { this.hide(); }.bind(this);  // better than writing “let that = this;” before the function?
         return xButton;
     }
 
     insertIntoPage () {

Index: gc_lang/fr/webext/content_scripts/panel.css
==================================================================
--- gc_lang/fr/webext/content_scripts/panel.css
+++ gc_lang/fr/webext/content_scripts/panel.css
@@ -53,51 +53,42 @@
     color: hsla(210, 0%, 90%, 0);
 }
 
 div.grammalecte_panel_commands {
     float: right;
+    display: flex;
+    align-items: stretch;
 }
-div.grammalecte_copy_button {
-    display: inline-block;
+div.grammalecte_panel_button {
     padding: 1px 10px;
-    border-radius: 0 0 0 3px;
     font-family: "Trebuchet MS", "Fira Sans", "Liberation Sans", sans-serif;
     font-size: 14px;
     font-weight: bold;
-    color: hsla(150, 0%, 100%, .5);
     text-align: center;
     cursor: pointer;
 }
+div.grammalecte_copy_button {
+    border-radius: 2px;
+    color: hsla(150, 0%, 100%, .5);
+}
 div.grammalecte_copy_button:hover {
     background-color: hsl(150, 90%, 35%);
     color: hsla(150, 0%, 100%, 1);
 }
 div.grammalecte_move_button {
-    display: inline-block;
     padding: 1px 5px;
-    font-family: "Trebuchet MS", "Fira Sans", "Liberation Sans", sans-serif;
-    font-size: 14px;
-    font-weight: bold;
+    border-radius: 16px;
     color: hsla(180, 0%, 100%, .5);
-    text-align: center;
-    cursor: pointer;
 }
 div.grammalecte_move_button:hover {
-    background-color: hsl(180, 80%, 65%);
+    background-color: hsla(180, 80%, 50%, .1);
     color: hsla(180, 0%, 100%, 1);
 }
 div.grammalecte_close_button {
-    display: inline-block;
-    padding: 1px 10px;
-    border-radius: 0 8px 0 0;
+    border-radius: 0 8px 0 4px;
     background-color: hsla(0, 80%, 50%, .5);
-    font-family: "Trebuchet MS", "Fira Sans", "Liberation Sans", sans-serif;
-    font-size: 14px;
-    font-weight: bold;
     color: hsla(210, 0%, 100%, .5);
-    text-align: center;
-    cursor: pointer;
 }
 div.grammalecte_close_button:hover {
     background-color: hsl(0, 100%, 60%);
     color: hsla(210, 0%, 100%, 1);
 }

Index: gc_lang/fr/webext/content_scripts/panel.js
==================================================================
--- gc_lang/fr/webext/content_scripts/panel.js
+++ gc_lang/fr/webext/content_scripts/panel.js
@@ -60,15 +60,15 @@
         let xButtonLine = oGrammalecte.createNode("div", {className: "grammalecte_panel_commands"});
         xButtonLine.appendChild(this.xWaitIcon);
         if (this.sId === "grammalecte_gc_panel") {
             xButtonLine.appendChild(this._createCopyButton());
         }
-        xButtonLine.appendChild(this._createMoveButton("stickToTop", "¯", "Coller en haut"));
-        xButtonLine.appendChild(this._createMoveButton("stickToLeft", "«", "Coller à gauche"));
+        xButtonLine.appendChild(this._createMoveButton("stickToTop", "⏶", "Coller en haut"));
+        xButtonLine.appendChild(this._createMoveButton("stickToLeft", "⏴", "Coller à gauche"));
         xButtonLine.appendChild(this._createMoveButton("center", "•", "Centrer"));
-        xButtonLine.appendChild(this._createMoveButton("stickToRight", "»", "Coller à droite"));
-        xButtonLine.appendChild(this._createMoveButton("stickToBottom", "_", "Coller en bas"));
+        xButtonLine.appendChild(this._createMoveButton("stickToRight", "⏵", "Coller à droite"));
+        xButtonLine.appendChild(this._createMoveButton("stickToBottom", "⏷", "Coller en bas"));
         xButtonLine.appendChild(this._createCloseButton());
         return xButtonLine;
     }
 
     _createWaitIcon () {
@@ -77,23 +77,23 @@
         //xWaitIcon.appendChild(oGrammalecte.createNode("div", {className: "bounce2"}));
         return xWaitIcon;
     }
 
     _createCopyButton () {
-        let xButton = oGrammalecte.createNode("div", {id: "grammalecte_clipboard_button", className: "grammalecte_copy_button", textContent: "∑", title: "Copier dans le presse-papiers"});
+        let xButton = oGrammalecte.createNode("div", {id: "grammalecte_clipboard_button", className: "grammalecte_panel_button grammalecte_copy_button", textContent: "∑", title: "Copier dans le presse-papiers"});
         xButton.onclick = function () { this.copyTextToClipboard(); }.bind(this);
         return xButton;
     }
 
     _createMoveButton (sAction, sLabel, sTitle) {
-        let xButton = oGrammalecte.createNode("div", {className: "grammalecte_move_button", textContent: sLabel, title: sTitle});
+        let xButton = oGrammalecte.createNode("div", {className: "grammalecte_panel_button grammalecte_move_button", textContent: sLabel, title: sTitle});
         xButton.onclick = function () { this[sAction](); }.bind(this);
         return xButton;
     }
 
     _createCloseButton () {
-        let xButton = oGrammalecte.createNode("div", {className: "grammalecte_close_button", textContent: "×", title: "Fermer la fenêtre"});
+        let xButton = oGrammalecte.createNode("div", {className: "grammalecte_panel_button grammalecte_close_button", textContent: "×", title: "Fermer la fenêtre"});
         xButton.onclick = function () { this.hide(); }.bind(this);  // better than writing “let that = this;” before the function?
         return xButton;
     }
 
     insertIntoPage () {