diff --git a/public/main/exercise/exercise.class.php b/public/main/exercise/exercise.class.php
index ee338fcdf3..e2d3e73077 100644
--- a/public/main/exercise/exercise.class.php
+++ b/public/main/exercise/exercise.class.php
@@ -5659,19 +5659,19 @@ class Exercise
                                 <tr class="row_even">
                                     <td><b>'.get_lang('Overlapping areaping area').'</b></td>
                                     <td>'.get_lang('Minimum').' '.$threadhold1.'</td>
-                                    <td class="text-right '.($overlap_color ? 'text-success' : 'text-danger').'">'
+                                    <td class="text-right '.($overlap_color ? 'text-success' : 'text-error').'">'
                                     .$overlap.'</td>
                                 </tr>
                                 <tr>
                                     <td><b>'.get_lang('Excessive areaive area').'</b></td>
                                     <td>'.get_lang('max. 20 characters, e.g. <i>INNOV21</i>').' '.$threadhold2.'</td>
-                                    <td class="text-right '.($excess_color ? 'text-success' : 'text-danger').'">'
+                                    <td class="text-right '.($excess_color ? 'text-success' : 'text-error').'">'
                                     .$excess.'</td>
                                 </tr>
                                 <tr class="row_even">
                                     <td><b>'.get_lang('Missing area area').'</b></td>
                                     <td>'.get_lang('max. 20 characters, e.g. <i>INNOV21</i>').' '.$threadhold3.'</td>
-                                    <td class="text-right '.($missing_color ? 'text-success' : 'text-danger').'">'
+                                    <td class="text-right '.($missing_color ? 'text-success' : 'text-error').'">'
                                     .$missing.'</td>
                                 </tr>
                             </table>';
diff --git a/public/main/exercise/overview.php b/public/main/exercise/overview.php
index c85f09eed6..fa600eba12 100644
--- a/public/main/exercise/overview.php
+++ b/public/main/exercise/overview.php
@@ -512,7 +512,7 @@ if ($quizCheckButtonEnabled) {
                 btnTest.prop('disabled', true).removeClass('btn--success btn--danger').addClass('btn--plain');
                 iconBtnTest.removeClass('hidden');
 
-                var txtResult = $('#quiz-check-request-text').removeClass('text-success text-danger').hide();
+                var txtResult = $('#quiz-check-request-text').removeClass('text-success text-error').hide();
 
                 $
                     .when(
@@ -537,11 +537,11 @@ if ($quizCheckButtonEnabled) {
                                 txtResult.text(\"".get_lang('QuizBrowserCheckOK')."\").addClass('text-success').show();
                             } else {
                                 btnTest.removeClass('btn--plain btn--success').addClass('btn--danger');
-                                txtResult.text(\"".get_lang('QuizBrowserCheckKO')."\").addClass('text-danger').show();
+                                txtResult.text(\"".get_lang('QuizBrowserCheckKO')."\").addClass('text-error').show();
                             }
                         },
                         function () {
-                            txtResult.text(\"".get_lang('QuizBrowserCheckKO')."\").addClass('text-danger').show();
+                            txtResult.text(\"".get_lang('QuizBrowserCheckKO')."\").addClass('text-error').show();
                             btnTest.removeClass('btn--plain btn--success').addClass('btn--danger');
                         }
                     )
diff --git a/public/main/inc/lib/display.lib.php b/public/main/inc/lib/display.lib.php
index b62b99ec02..8b3a60a00e 100644
--- a/public/main/inc/lib/display.lib.php
+++ b/public/main/inc/lib/display.lib.php
@@ -916,7 +916,10 @@ class Display
         $html = '';
         $extra = '';
         $default_id = 'id="'.$name.'" ';
-        $extra_attributes = array_merge(['class' => 'form-control'], $extra_attributes);
+        $extra_attributes = array_merge(
+            ['class' => 'p-dropdown p-component p-inputwrapper p-inputwrapper-filled'],
+            $extra_attributes
+        );
         foreach ($extra_attributes as $key => $parameter) {
             if ('id' == $key) {
                 $default_id = '';
diff --git a/public/main/inc/lib/formvalidator/FormValidator.class.php b/public/main/inc/lib/formvalidator/FormValidator.class.php
index 43aab02692..b2c4f8c1dd 100644
--- a/public/main/inc/lib/formvalidator/FormValidator.class.php
+++ b/public/main/inc/lib/formvalidator/FormValidator.class.php
@@ -119,7 +119,7 @@ EOT;
     {
         if (self::LAYOUT_BOX_SEARCH == $this->layout) {
             return '<form {attributes}>
-                    <div class="form__group--inline p-inputgroup">
+                    <div class="form__group form__group--inline p-inputgroup">
                         {content}
                         {hidden}
                     </div>
diff --git a/public/main/install/install.lib.php b/public/main/install/install.lib.php
index f7a2c0fcb0..edf88cf49c 100644
--- a/public/main/install/install.lib.php
+++ b/public/main/install/install.lib.php
@@ -823,7 +823,7 @@ function display_requirements(
         if (count($notWritable) > 0) {
             error_log('Installer: At least one needed directory or file is not writeable');
             $error = true; ?>
-            <div class="text-danger">
+            <div class="text-error">
                 <h3 class="text-center"><?php echo get_lang('Warning !'); ?></h3>
                 <p>
                     <?php printf(get_lang('Some files or folders don\'t have writing permission. To be able to install Chamilo you should first change their permissions (using CHMOD). Please read the %s installation guide %s'), '<a href="../../documentation/installation_guide.html" target="blank">', '</a>'); ?>
@@ -832,7 +832,7 @@ function display_requirements(
             <?php
             echo '<ul>';
             foreach ($notWritable as $value) {
-                echo '<li class="text-danger">'.$value.'</li>';
+                echo '<li class="text-error">'.$value.'</li>';
             }
             echo '</ul>';
         } elseif (file_exists(api_get_path(CONFIGURATION_PATH).'configuration.php')) {
@@ -858,11 +858,13 @@ function display_requirements(
 
         if (count($deprecatedToRemove) > 0) {
             ?>
-            <p class="text-danger"><?php echo get_lang('Warning !ForDeprecatedDirectoriesForUpgrade'); ?></p>
+            <p class="text-error">
+                <?php echo get_lang("Because the <code>newscorm</code> and <code>exercice</code> directories were renamed to <code>lp</code> and <code>exercise</code> respectively, is necessary to delete or rename to <code>newscorm_old</code> and <code>exercice_old</code>."); ?>
+            </p>
             <ul>
                 <?php foreach ($deprecatedToRemove as $deprecatedDirectory) {
                 ?>
-                    <li class="text-danger"><?php echo $deprecatedDirectory; ?></li>
+                    <li class="text-error"><?php echo $deprecatedDirectory; ?></li>
                 <?php
             } ?>
             </ul>
diff --git a/public/plugin/whispeakauth/WhispeakMyStudentsLpTrackingHook.php b/public/plugin/whispeakauth/WhispeakMyStudentsLpTrackingHook.php
index 67dd85ad02..5a3e8cdc7a 100644
--- a/public/plugin/whispeakauth/WhispeakMyStudentsLpTrackingHook.php
+++ b/public/plugin/whispeakauth/WhispeakMyStudentsLpTrackingHook.php
@@ -49,7 +49,7 @@ class WhispeakMyStudentsLpTrackingHook extends HookObserver implements HookMyStu
         $successCount = WhispeakAuthPlugin::countSuccessAttemptsInLearningPath($data['lp_id'], $data['student_id']);
 
         $attrs = ['class' => 'text-center '];
-        $attrs['class'] .= $successCount <= $totalCount / 2 ? 'text-danger' : 'text-success';
+        $attrs['class'] .= $successCount <= $totalCount / 2 ? 'text-error' : 'text-success';
 
         return [
             'value' => Display::tag('strong', "$successCount / $totalCount"),
diff --git a/public/plugin/whispeakauth/WhispeakMyStudentsQuizTrackingHook.php b/public/plugin/whispeakauth/WhispeakMyStudentsQuizTrackingHook.php
index 399ae88e47..d0e60ca549 100644
--- a/public/plugin/whispeakauth/WhispeakMyStudentsQuizTrackingHook.php
+++ b/public/plugin/whispeakauth/WhispeakMyStudentsQuizTrackingHook.php
@@ -67,7 +67,7 @@ class WhispeakMyStudentsQuizTrackingHook extends HookObserver implements HookMyS
         $successCount = WhispeakAuthPlugin::countSuccessAttemptsInQuiz($data['quiz_id'], $data['student_id']);
 
         $attrs = ['class' => 'text-center '];
-        $attrs['class'] .= $successCount <= $totalCount / 2 ? 'text-danger' : 'text-success';
+        $attrs['class'] .= $successCount <= $totalCount / 2 ? 'text-error' : 'text-success';
 
         return [
             'value' => Display::tag('strong', "$successCount / $totalCount"),