Index: gc_lang/fr/webext/content_scripts/menu.css
==================================================================
--- gc_lang/fr/webext/content_scripts/menu.css
+++ gc_lang/fr/webext/content_scripts/menu.css
@@ -3,20 +3,25 @@
     Menu for Grammalecte
 */
 
 .grammalecte_menu_main_button {
     position: absolute;
-    margin: -16px 0 0 -10px;
+    margin: -8px 0 0 -8px;
     border: 4px solid hsla(210, 80%, 30%, .5);
-    border-radius: 16px;
+    border-radius: 12px;
     background-color: hsla(210, 80%, 50%, .5);
-    width: 16px;
-    height: 16px;
+    width: 8px;
+    height: 8px;
     text-align: center;
     cursor: pointer;
     z-index: 100000000;
 }
+.grammalecte_menu_main_button:hover {
+    border: 4px solid hsla(210, 80%, 35%, .5);
+    background-color: hsla(210, 80%, 55%, .5);
+    box-shadow: 0 0 10px hsla(210, 100%, 30%, .5);
+}
 
 .grammalecte_menu {
     display: none;
     position: absolute;
     margin-left: -10px;
@@ -33,12 +38,12 @@
     font-size: 14px;
     color: hsl(210, 50%, 92%);
     cursor: pointer;
 }
 .grammalecte_menu_item:hover {
-    background-color: hsl(210, 60%, 45%);
-    color: hsl(210, 60%, 100%);
+    background-color: hsl(210, 50%, 45%);
+    color: hsl(210, 50%, 100%);
 }
 
 .grammalecte_menu_item_block {
     padding: 3px 10px;
     background-color: hsl(210, 50%, 40%);
@@ -58,11 +63,11 @@
     line-height: 1.6;
     text-align: center;
     cursor: pointer;
 }
 .grammalecte_menu_button:hover {
-    background-color: hsl(210, 60%, 50%);
+    background-color: hsl(210, 50%, 50%);
 }
 
 .grammalecte_menu_header {
     padding: 2px 10px;
     background-color: hsl(210, 50%, 30%);

Index: gc_lang/fr/webext/content_scripts/menu.js
==================================================================
--- gc_lang/fr/webext/content_scripts/menu.js
+++ gc_lang/fr/webext/content_scripts/menu.js
@@ -5,11 +5,11 @@
 
 class GrammalecteMenu {
 
     constructor (nMenu, xTextArea) {
         this.sMenuId = "grammalecte_menu" + nMenu;
-        let xButton = createNode("div", {className: "grammalecte_menu_main_button", textContent: "•"});
+        let xButton = createNode("div", {className: "grammalecte_menu_main_button", textContent: " "});
         xButton.onclick = () => { this.switchMenu(); };
         let xMenu = this._createMenu(xTextArea);
         this._insertAfter(xButton, xTextArea);
         this._insertAfter(xMenu, xTextArea);
     }