N°2847 - Add activity panel to object details (and some variables renaming)

css/backoffice/layout/_content.scss

@@ -16,9 +16,6 @@
  * You should have received a copy of the GNU Affero General Public License
  */
 
-.ibo-center-container{
-
-}
 .ibo-center-container--with-side-content{
 	display: flex;
 	align-items: stretch;
@@ -26,4 +23,9 @@
 	#ibo-main-content{
 		flex-grow: 1; /* To occupy maximum width, side content will handle its width */
 	}
+}
+
+#ibo-side-content{
+	background-color: $ibo-content-block--background-color;
+	border-left: $ibo-content-block--border;
 }