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
@@ -1,19 +1,21 @@
 /*
     Grammar checker
 */
 #grammalecte_gc_panel_content {
+    margin: 0;
     padding: 5px;
 }
 
 .grammalecte_paragraph_block {
-    margin-bottom: 5px;
+    margin: 0 0 5px 0;
 }
 
 .grammalecte_paragraph {
-    background-color: hsl(0, 0%, 96%);
+    margin: 0;
     padding: 10px;
+    background-color: hsl(0, 0%, 96%);
     border-radius: 2px;
     font-size: 14px;
     font-family : "Courier New", Courier, "Lucida Sans Typewriter", "Lucida Typewriter", monospace;
     color: hsl(0, 0%, 0%);
 }
@@ -121,10 +123,11 @@
     display: none;
 }
 
 #grammalecte_tooltip {
     position: absolute;
+    margin: 0;
     display: none;
     width: 300px;
     border-radius: 5px;
     box-shadow: 0 0 6px hsla(0, 0%, 0%, 0.3);
     font-family: Tahoma, "Lucida Grande", "Lucida Sans Unicode", "Lucida Sans", sans-serif;
@@ -136,17 +139,18 @@
     color: hsla(210, 10%, 20%, 1);
     z-index: 1000;
 }
 
 #grammalecte_tooltip_message_block {
+    margin: 0;
     padding: 5px 10px 10px 10px;
     background-color: hsl(210, 50%, 30%);
     color: hsl(210, 50%, 96%);
 }
 #grammalecte_tooltip_rule_id {
     display: none;
-    margin-bottom: 5px;
+    margin: 0 0 5px 0;
     border: 1px solid hsl(210, 50%, 60%);
     background-color: hsl(210, 50%, 40%);
     padding: 2px 5px;
     border-radius: 2px;
     color: hsla(210, 0%, 96%, 1);
@@ -154,11 +158,11 @@
     font-style: normal;
     text-align: center;
 }
 #grammalecte_tooltip_message {
     font-size: 15px;
-    margin-bottom: 5px;
+    margin: 0 0 5px 0;
 }
 a#grammalecte_tooltip_ignore {
     padding: 0 2px;
     background-color: hsla(30, 30%, 40%, 1);
     color: hsla(30, 0%, 96%, 1);