diff --git a/mod/scorm/locallib.php b/mod/scorm/locallib.php
index b3fa340f07e..f5c77993b11 100755
--- a/mod/scorm/locallib.php
+++ b/mod/scorm/locallib.php
@@ -522,7 +522,7 @@ function scorm_view_display ($user, $scorm, $action, $cm, $boxwidth='') {
     if ($orgs = get_records_select_menu('scorm_scoes',"scorm='$scorm->id' AND organization='' AND launch=''",'id','id,title')) {
         if (count($orgs) > 1) {
  ?>
-            <div class='center'>
+            <div class='scorm-center'>
                 <?php print_string('organizations','scorm') ?>
                 <form id='changeorg' method='post' action='<?php echo $action ?>'>
                     <?php choose_from_menu($orgs, 'organization', "$organization", '','submit()') ?>
@@ -563,7 +563,7 @@ function scorm_view_display ($user, $scorm, $action, $cm, $boxwidth='') {
     print_simple_box_end();
 
 ?>
-            <div class="center">
+            <div class="scorm-center">
                <form id="theform" method="post" action="<?php echo $CFG->wwwroot ?>/mod/scorm/player.php?scoid=<?php echo $sco->id ?>&id=<?php echo $cm->id ?>"<?php echo $scorm->popup == 1?' target="newwin"':'' ?>>
               <?php
                   if ($scorm->hidebrowse == 0) {
diff --git a/mod/scorm/player.php b/mod/scorm/player.php
index 3ecdea7e677..0e7637ee917 100755
--- a/mod/scorm/player.php
+++ b/mod/scorm/player.php
@@ -258,12 +258,12 @@
        ) {
 ?>
             <div id="scormtop">
-        <?php echo $mode == 'browse' ? '<div id="scormmode" class="left">'.get_string('browsemode','scorm')."</div>\n" : ''; ?>
-        <?php echo $mode == 'review' ? '<div id="scormmode" class="left">'.get_string('reviewmode','scorm')."</div>\n" : ''; ?>
+        <?php echo $mode == 'browse' ? '<div id="scormmode" class="scorm-left">'.get_string('browsemode','scorm')."</div>\n" : ''; ?>
+        <?php echo $mode == 'review' ? '<div id="scormmode" class="scorm-left">'.get_string('reviewmode','scorm')."</div>\n" : ''; ?>
 <?php
        if (($scorm->hidenav == 0) || ($scorm->hidetoc == 2) || ($scorm->hidetoc == 1)) {
 ?>
-                <div id="scormnav" class="right">
+                <div id="scormnav" class="scorm-right">
         <?php
             $orgstr = '&amp;currentorg='.$currentorg;
             if (($scorm->hidenav == 0) && ($sco->previd != 0) && ($sco->previous == 0) && (($scorm->hidetoc == 2) || ($scorm->hidetoc == 1)) ) {
@@ -309,7 +309,7 @@
 <?php
     } // The end of the very big test
 ?>
-            <div id="scormobject" class="right">
+            <div id="scormobject" class="scorm-right">
                 <noscript>
                     <div id="noscript">
                         <?php print_string('noscriptnoscorm','scorm'); // No Martin(i), No Party ;-) ?>
diff --git a/mod/scorm/styles.php b/mod/scorm/styles.php
index 5b6a8fd3cef..7ae08a7c59d 100644
--- a/mod/scorm/styles.php
+++ b/mod/scorm/styles.php
@@ -22,19 +22,19 @@
 
 }
 
-.mod-scorm .left {
+.mod-scorm .scorm-left {
 
   text-align: left;
 
 }
 
-.mod-scorm .center {
+.mod-scorm .scorm-center {
 
   text-align: center;
 
 }
 
-.mod-scorm .right {
+.mod-scorm .scorm-right {
 
   text-align: right;