Index: lams_gradebook/web/includes/css/gradebook.css
===================================================================
RCS file: /usr/local/cvsroot/lams_gradebook/web/includes/css/gradebook.css,v
diff -u -r1.2.2.3 -r1.2.2.4
--- lams_gradebook/web/includes/css/gradebook.css	24 Feb 2017 19:46:12 -0000	1.2.2.3
+++ lams_gradebook/web/includes/css/gradebook.css	22 Mar 2017 01:31:46 -0000	1.2.2.4
@@ -3,12 +3,12 @@
 }
 
 #export-selected-lessons-button {
-	margin-left: 295px;
 	margin-bottom: 10px;
 }
 
 #gbox_lessons-jqgrid {
-	margin: 10px 5px;
+	margin-left: auto;
+	margin-right: auto;
 }
 
 .ui-widget-content {