Index: gc_lang/fr/webext/content_scripts/content_modifier.js
==================================================================
--- gc_lang/fr/webext/content_scripts/content_modifier.js
+++ gc_lang/fr/webext/content_scripts/content_modifier.js
@@ -57,19 +57,21 @@
         let xTFButton = createNode("div", {className: "grammalecte_wrapper_button", textContent: "Formater"});
         xTFButton.onclick = function() { createTFPanel(xTextArea); };
         let xLxgButton = createNode("div", {className: "grammalecte_wrapper_button", textContent: "Analyser"});
         xLxgButton.onclick = function() {
             createLxgPanel();
+            oLxgPanel.startWaitIcon();
             xPort.postMessage({
                 sCommand: "getListOfTokens",
                 dParam: {sText: xTextArea.value},
                 dInfo: {sTextAreaId: xTextArea.id}
             });
         };
         let xGCButton = createNode("div", {className: "grammalecte_wrapper_button", textContent: "Corriger"});
         xGCButton.onclick = function() {
             createGCPanel();
+            oGCPanel.startWaitIcon();
             xPort.postMessage({
                 sCommand: "parseAndSpellcheck",
                 dParam: {sText: xTextArea.value, sCountry: "FR", bDebug: false, bContext: false},
                 dInfo: {sTextAreaId: xTextArea.id}
             });
@@ -160,27 +162,35 @@
 */
 let xPort = browser.runtime.connect({name: "content-script port"});
 
 xPort.onMessage.addListener(function (oMessage) {
     console.log("[Content script] received…");
-    let {sActionDone, result, dInfo, bError} = oMessage;
+    let {sActionDone, result, dInfo, bEnd, bError} = oMessage;
     switch (sActionDone) {
         case "getCurrentTabId":
             console.log("[Content script] tab id: " + result);
             nTadId = result;
             break;
         case "parseAndSpellcheck":
             console.log("[content script] received: parseAndSpellcheck");
-            oGCPanelContent.addParagraphResult(result);
+            if (!bEnd) {
+                oGCPanelContent.addParagraphResult(result);
+            } else {
+                oGCPanel.stopWaitIcon();
+            }
             break;
         case "parseAndSpellcheck1":
             console.log("[content script] received: parseAndSpellcheck1");
             oGCPanelContent.refreshParagraph(dInfo.sParagraphId, result);
             break;
         case "getListOfTokens":
             console.log("[content script] received: getListOfTokens");
-            oLxgPanelContent.addListOfTokens(result);
+            if (!bEnd) {
+                oLxgPanelContent.addListOfTokens(result);
+            } else {
+                oLxgPanel.stopWaitIcon();
+            }
             break;
         default:
             console.log("[Content script] Unknown command: " + sActionDone);
     }
 });

Index: gc_lang/fr/webext/content_scripts/content_panels.css
==================================================================
--- gc_lang/fr/webext/content_scripts/content_panels.css
+++ gc_lang/fr/webext/content_scripts/content_panels.css
@@ -109,29 +109,30 @@
     CSS Spinner
     Double bounce
     http://tobiasahlin.com/spinkit/
 */
 .grammalecte_spinner {
-    width: 30px;
-    height: 30px;
+    visibility: hidden;
+    width: 40px;
+    height: 40px;
     position: absolute;
     top: 2px;
-    right: 120px;
+    right: 150px;
 }
 .grammalecte_spinner .bounce1,
 .grammalecte_spinner .bounce2 {
     width: 100%;
     height: 100%;
     border-radius: 50%;
-    background-color: hsl(180, 50%, 75%);
+    background-color: hsl(0, 50%, 75%);
     opacity: 0.6;
     position: absolute;
     top: 0;
     left: 0;
     animation: grammalecte-sk-bounce 2.0s infinite ease-in-out;
 }
-.bounce2 {
+.grammalecte_spinner .bounce2 {
     animation-delay: -1.0s;
 }
 
 @keyframes grammalecte-sk-bounce {
     0%, 100% { 

Index: gc_lang/fr/webext/content_scripts/gc_content.css
==================================================================
--- gc_lang/fr/webext/content_scripts/gc_content.css
+++ gc_lang/fr/webext/content_scripts/gc_content.css
@@ -4,15 +4,15 @@
 #grammalecte_gc_panel_content {
     padding: 5px;
 }
 
 .grammalecte_paragraph_block {
-    margin: 0 0 10px 0;
+    margin-bottom: 5px;
 }
 
 .grammalecte_paragraph {
-    background-color: hsla(0, 0%, 90%, 1);
+    background-color: hsl(0, 0%, 96%);
     padding: 10px;
     border-radius: 2px;
     font-size: 14px;
     font-family : "Courier New", Courier, "Lucida Sans Typewriter", "Lucida Typewriter", monospace;
     color: hsl(0, 0%, 0%);
@@ -55,39 +55,21 @@
 }
 .grammalecte_paragraph u.error:hover {
     cursor: pointer;
 }
 
-
-.grammalecte_paragraph_actions {
-    margin: 0 0 5px 10px;
-}
-.grammalecte_paragraph_actions .close_button {
-    background-color: hsl(0, 0%, 50%);
-    text-align: center;
-    float: right;
-    margin-left: 2px;
-    padding: 1px 4px 3px 4px;
-    cursor: pointer;
-    font-size: 14px;
-    color: hsl(0, 0%, 96%);
-    border-radius: 2px;
-    background-color: hsl(0, 30%, 50%);
-    color: hsl(0, 0%, 96%);
-}
-
 
 /*
     Action buttons
 */
 
-.grammalecte_actions {
+.grammalecte_paragraph_actions {
     float: right;
     margin: 0 0 5px 10px;
 }
 
-.grammalecte_actions .button {
+.grammalecte_paragraph_actions .button {
     display: inline-block;
     background-color: hsl(0, 0%, 50%);
     text-align: center;
     margin-left: 2px;
     padding: 1px 4px 3px 4px;
@@ -94,40 +76,40 @@
     cursor: pointer;
     font-size: 14px;
     color: hsl(0, 0%, 96%);
     border-radius: 2px;
 }
-.grammalecte_actions .button:hover {
+.grammalecte_paragraph_actions .button:hover {
     background-color: hsl(0, 0%, 40%);
     color: hsl(0, 0%, 100%);
 }
 
-.grammalecte_actions .green {
+.grammalecte_paragraph_actions .green {
     background-color: hsl(120, 30%, 50%);
     color: hsl(0, 0%, 96%);
 }
-.grammalecte_actions .green:hover {
+.grammalecte_paragraph_actions .green:hover {
     background-color: hsl(120, 50%, 40%);
     color: hsl(0, 0%, 100%);
 }
-.grammalecte_actions .red {
+.grammalecte_paragraph_actions .red {
     background-color: hsl(0, 30%, 50%);
     color: hsl(0, 0%, 96%);
 }
-.grammalecte_actions .red:hover {
+.grammalecte_paragraph_actions .red:hover {
     background-color: hsl(0, 50%, 40%);
     color: hsl(0, 0%, 100%);
 }
-.grammalecte_actions .orange {
+.grammalecte_paragraph_actions .orange {
     background-color: hsl(30, 50%, 50%);
     color: hsl(30, 0%, 96%);
 }
-.grammalecte_actions .orange:hover {
+.grammalecte_paragraph_actions .orange:hover {
     background-color: hsl(30, 70%, 40%);
     color: hsl(30, 0%, 100%);
 }
-.grammalecte_actions .bold {
+.grammalecte_paragraph_actions .bold {
     font-weight: bold;
 }
 
 
 
@@ -226,65 +208,10 @@
 #grammalecte_tooltip_sugg_block a.sugg:hover {
     background-color: hsla(180, 70%, 45%, 1);
     color: hsla(0, 0%, 100%, 1);
 }
 
-
-/*
-    Action buttons
-*/
-
-.grammalecte_paragraph_actions {
-    margin: 0 0 5px 10px;
-}
-
-.grammalecte_paragraph_actions .button {
-    background-color: hsl(0, 0%, 50%);
-    text-align: center;
-    float: right;
-    margin-left: 2px;
-    padding: 1px 4px 3px 4px;
-    /*width: 18px;
-    height: 18px;*/
-    cursor: pointer;
-    font-size: 14px;
-    color: hsl(0, 0%, 96%);
-    border-radius: 2px;
-}
-.grammalecte_paragraph_actions .button:hover {
-    background-color: hsl(0, 0%, 40%);
-    color: hsl(0, 0%, 100%);
-}
-
-.grammalecte_paragraph_actions .green {
-    background-color: hsl(120, 30%, 50%);
-    color: hsl(0, 0%, 96%);
-}
-.grammalecte_paragraph_actions .green:hover {
-    background-color: hsl(120, 50%, 40%);
-    color: hsl(0, 0%, 100%);
-}
-.grammalecte_paragraph_actions .red {
-    background-color: hsl(0, 30%, 50%);
-    color: hsl(0, 0%, 96%);
-}
-.grammalecte_paragraph_actions .red:hover {
-    background-color: hsl(0, 50%, 40%);
-    color: hsl(0, 0%, 100%);
-}
-.grammalecte_paragraph_actions .orange {
-    background-color: hsl(30, 50%, 50%);
-    color: hsl(30, 0%, 96%);
-}
-.grammalecte_paragraph_actions .orange:hover {
-    background-color: hsl(30, 70%, 40%);
-    color: hsl(30, 0%, 100%);
-}
-.grammalecte_paragraph_actions .bold {
-    font-weight: bold;
-}
-
 
 /*
     ERRORS
 */
 

Index: gc_lang/fr/webext/content_scripts/gc_content.js
==================================================================
--- gc_lang/fr/webext/content_scripts/gc_content.js
+++ gc_lang/fr/webext/content_scripts/gc_content.js
@@ -72,11 +72,11 @@
     addParagraphResult: function (oResult) {
         try {
             if (oResult) {
                 let xNodeDiv = createNode("div", {className: "grammalecte_paragraph_block"});
                 // actions
-                let xActionsBar = createNode("div", {className: "grammalecte_actions"});
+                let xActionsBar = createNode("div", {className: "grammalecte_paragraph_actions"});
                 xActionsBar.appendChild(createNode("div", {id: "grammalecte_check" + oResult.sParaNum, className: "button green", textContent: "Réanalyser"}));
                 xActionsBar.appendChild(createNode("div", {id: "grammalecte_hide" + oResult.sParaNum, className: "button red bold", textContent: "×"}));
                 // paragraph
                 let xParagraph = createNode("p", {id: "grammalecte_paragraph"+oResult.sParaNum, lang: "fr", contentEditable: "true"});
                 xParagraph.setAttribute("spellcheck", "false"); // doesn’t seem possible to use “spellcheck” as a common attribute.

Index: gc_lang/fr/webext/content_scripts/panel_creator.js
==================================================================
--- gc_lang/fr/webext/content_scripts/panel_creator.js
+++ gc_lang/fr/webext/content_scripts/panel_creator.js
@@ -13,45 +13,36 @@
         this.sContentId = sId+"_content";
         this.nWidth = nWidth;
         this.nHeight = nHeight;
         this.bMovable = bMovable;
         this.xContentNode = createNode("div", {className: "grammalecte_panel_content"});
+        this.xWaitIcon = this._createWaitIcon();
         this.xPanelNode = this._createPanel(sTitle);
         this.center();
     }
 
     _createPanel (sTitle) {
         try {
             let xPanel = createNode("div", {id: this.sId, className: "grammalecte_panel"});
             let xBar = createNode("div", {className: "grammalecte_panel_bar"});
-            xBar.appendChild(this._createWaitIcon());
             xBar.appendChild(this._createButtons());
             let xTitle = createNode("div", {className: "grammalecte_panel_title"});
             xTitle.appendChild(createLogo());
             xTitle.appendChild(createNode("div", {className: "grammalecte_panel_label", textContent: sTitle}));
             xBar.appendChild(xTitle);
             xPanel.appendChild(xBar);
-            //xPanel.appendChild(createNode("div", {className: "grammalecte_empty_space_under_title_bar"}));
             xPanel.appendChild(this.xContentNode);
             return xPanel;
         }
         catch (e) {
             showError(e);
         }
     }
 
-    _createWaitIcon () {
-        let xWaitIcon = createNode("div", {id: "grammalecte_wait_icon", className: "grammalecte_spinner"});
-        xWaitIcon.appendChild(createNode("div", {id: "bounce1"}));
-        xWaitIcon.appendChild(createNode("div", {id: "bounce2"}));
-        return xWaitIcon;
-    }
-
     _createButtons () {
         let xButtonLine = createNode("div", {className: "grammalecte_panel_commands"});
-        
-
+        xButtonLine.appendChild(this.xWaitIcon);
         if (this.bMovable) {
             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"));
@@ -58,10 +49,17 @@
             xButtonLine.appendChild(this._createMoveButton("stickToBottom", "_", "Coller en bas"));
         }
         xButtonLine.appendChild(this._createCloseButton());
         return xButtonLine;
     }
+
+    _createWaitIcon () {
+        let xWaitIcon = createNode("div", {className: "grammalecte_spinner"});
+        xWaitIcon.appendChild(createNode("div", {className: "bounce1"}));
+        xWaitIcon.appendChild(createNode("div", {className: "bounce2"}));
+        return xWaitIcon;
+    }
 
     _createMoveButton (sAction, sLabel, sTitle) {
         let xButton = createNode("div", {className: "grammalecte_move_button", textContent: sLabel, title: sTitle});
         xButton.onclick = function () { this[sAction](); }.bind(this);
         return xButton;
@@ -122,15 +120,15 @@
         // for debugging
         console.log(this.xPanelNode.innerHTML);
     }
     
     startWaitIcon () {
-        document.getElementById("grammalecte_waiticon").hidden = false;
+        this.xWaitIcon.style.visibility = "visible";
     }
 
     stopWaitIcon () {
-        document.getElementById("grammalecte_waiticon").hidden = true;
+        this.xWaitIcon.style.visibility = "hidden";
     }
 }
 
 
 /*