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
@@ -12,23 +12,23 @@
     box-sizing: border-box;
     display: none;
     margin: -8px 0 0 -8px;
     width: 16px;
     height: 16px;
-    background-color: hsla(210, 80%, 40%, .2);
-    border: 4px solid hsla(210, 80%, 30%, .5);
-    border-top: 4px solid hsla(210, 100%, 70%, .9);
-    border-bottom: 4px solid hsla(210, 100%, 70%, .9);
+    background-color: hsla(210, 80%, 95%, .9);
+    border: 3px solid hsla(210, 80%, 50%, .9);
+    border-top: 3px solid hsla(210, 80%, 90%, .9);
+    border-left: 3px solid hsla(210, 80%, 90%, .9);
     border-radius: 50%;
     text-align: center;
     cursor: pointer;
-    box-shadow: 0 0 0 0 hsla(210, 80%, 50%, .5);
+    box-shadow: 0 0 0 0 hsla(210, 80%, 50%, .7);
     /*z-index: 2147483640; /* maximum is 2147483647: https://stackoverflow.com/questions/491052/minimum-and-maximum-value-of-z-index */
     animation: grammalecte-spin 2s ease 1;
 }
 div.grammalecte_menu_main_button:hover {
-    background-color: hsla(180, 100%, 55%, .6);
+    background-color: hsla(210, 80%, 50%, .05);
     animation: grammalecte-spin .5s linear infinite;
 }
 
 @keyframes grammalecte-spin {
     0% {