diff --git a/main/css/base.css b/main/css/base.css
index ab44d44d83..5bc26073a0 100644
--- a/main/css/base.css
+++ b/main/css/base.css
@@ -19,7 +19,7 @@ select {
     visibility: visible;
 }
 
-.label {
+form .label {
     padding: 1px 3px 2px;
     font-size: 100%;
     font-weight: normal;
@@ -115,10 +115,13 @@ form .formw input {
     height:26px;
 }
 
-#lp_navigation_elem .buttons,
-#lp_navigation_elem #progress_bar {
-    width:130px;
-    margin:0px 0px 10px 15px;    
+#lp_navigation_elem .buttons{
+    margin-bottom: 5px;    
+}
+
+#lp_navigation_elem {
+    padding-left: 15px;
+    width: 110px;
 }
 
 * {
diff --git a/main/exercice/exercise.lib.php b/main/exercice/exercise.lib.php
index a6b5829150..abcf450980 100644
--- a/main/exercice/exercise.lib.php
+++ b/main/exercice/exercise.lib.php
@@ -1130,9 +1130,9 @@ function get_exam_results_data($from, $number_of_items, $column, $direction, $ex
                     }                    
                     
                     if ($revised) {
-                        $revised = Display::span(get_lang('Validated'), array('class'=>'label_tag success'));                            
+                        $revised = Display::label(get_lang('Validated'), 'success');                            
                     } else {
-                        $revised = Display::span(get_lang('NotValidated'), array('class'=>'label_tag notice'));                            
+                        $revised = Display::label(get_lang('NotValidated'), 'info');
                     }
                     
                     if ($is_allowedToEdit || $is_tutor) {                        					
diff --git a/main/exercice/overview.php b/main/exercice/overview.php
index 0481863d40..5d2f76f2d8 100644
--- a/main/exercice/overview.php
+++ b/main/exercice/overview.php
@@ -102,7 +102,6 @@ if ($visible_return['value'] == false) {
 	$exercise_url_button = $visible_return['message'];    
 }
 
-
 //Message "you already try this exercise"
 
 $message = '';
@@ -126,17 +125,17 @@ $table_content = '';
 
 if (!empty($attempts)) {
     $i = $counter;
-	foreach ($attempts as $attempt_result) {		
+	foreach ($attempts as $attempt_result) {	
         
 		$score = show_score($attempt_result['exe_result'], $attempt_result['exe_weighting']);
 		$attempt_url 	= api_get_path(WEB_CODE_PATH).'exercice/result.php?'.api_get_cidreq().'&id='.$attempt_result['exe_id'].'&id_session='.api_get_session_id().'&height=500&width=750';
 		$attempt_link 	= Display::url(get_lang('Show'), $attempt_url, array('class'=>'ajax btn'));
 		
-		$teacher_revised = Display::span(get_lang('Validated'), array('class'=>'label_tag success'));
+		$teacher_revised = Display::label(get_lang('Validated'), 'success');
 			//$attempt_link = get_lang('NoResult');
 			//$attempt_link = Display::return_icon('quiz_na.png', get_lang('NoResult'), array(), ICON_SIZE_SMALL);
 		if ($attempt_result['attempt_revised'] == 0) {
-			$teacher_revised = Display::span(get_lang('NotValidated'), array('class'=>'label_tag notice'));
+			$teacher_revised = Display::label(get_lang('NotValidated'), 'info');
 		}				
 		$row = array('count'	 	=> $i,
 					 'date'	 		=> api_convert_and_format_date($attempt_result['start_date'], DATE_TIME_FORMAT_LONG)
@@ -167,8 +166,7 @@ if (!empty($attempts)) {
 		case EXERCISE_FEEDBACK_TYPE_EXAM:
 			$header_names = array(get_lang('Attempt'), get_lang('Date'), get_lang('Score'));
 			break;			
-	}
-	
+	}	
 	$row = 0;
 	$column = 0;
 	foreach ($header_names as $item) {
diff --git a/main/inc/lib/display.lib.php b/main/inc/lib/display.lib.php
index ea9a3dd93c..1e41675413 100644
--- a/main/inc/lib/display.lib.php
+++ b/main/inc/lib/display.lib.php
@@ -1379,4 +1379,32 @@ class Display {
         return '';
     }
     
+    function label($content, $type = 'default') {  
+        $class = '';
+        switch ($type) {
+            case 'success':
+                $class = 'label-success';
+                break;
+            case 'warning':
+                $class = 'label-warning';
+                break;
+            case 'important':
+                $class = 'label-important';
+                break;
+            case 'info':
+                $class = 'label-info';
+                break;
+            case 'inverse':
+                $class = 'label-inverse';
+                break;            
+        }
+        
+        $html = '';
+        if (!empty($content)) {
+            $html = '<span class="label '.$class.'">';
+            $html .= $content;
+            $html .='</span>';
+        }
+        return $html;        
+    }    
 } //end class Display