diff --git a/config/block.php b/config/block.php
index 3becf42..57724d1 100644
--- a/config/block.php
+++ b/config/block.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/config/comment.php b/config/comment.php
index d0c3a6e..59c4840 100644
--- a/config/comment.php
+++ b/config/comment.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/config/config.php b/config/config.php
index 64a8d99..ed82258 100644
--- a/config/config.php
+++ b/config/config.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/config/module.php b/config/module.php
index ccd53fa..b2898f5 100644
--- a/config/module.php
+++ b/config/module.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/config/navigation.php b/config/navigation.php
index 703d52b..c0e77bf 100755
--- a/config/navigation.php
+++ b/config/navigation.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/config/page.php b/config/page.php
index 5e835b8..f5e6015 100755
--- a/config/page.php
+++ b/config/page.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/config/permission.php b/config/permission.php
index dbc787a..6e2acfb 100755
--- a/config/permission.php
+++ b/config/permission.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/config/route.php b/config/route.php
index 743914e..b9d592a 100644
--- a/config/route.php
+++ b/config/route.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/src/Api/Breadcrumbs.php b/src/Api/Breadcrumbs.php
index 07661d1..501ab89 100644
--- a/src/Api/Breadcrumbs.php
+++ b/src/Api/Breadcrumbs.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/src/Api/Comment.php b/src/Api/Comment.php
index 806197e..773d907 100644
--- a/src/Api/Comment.php
+++ b/src/Api/Comment.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/src/Api/Post.php b/src/Api/Post.php
index cd60257..93d8382 100644
--- a/src/Api/Post.php
+++ b/src/Api/Post.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/src/Api/Search.php b/src/Api/Search.php
index dd7f8dd..30003e8 100644
--- a/src/Api/Search.php
+++ b/src/Api/Search.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/src/Block/Block.php b/src/Block/Block.php
index 671494d..54b1a37 100644
--- a/src/Block/Block.php
+++ b/src/Block/Block.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/src/Controller/Admin/IndexController.php b/src/Controller/Admin/IndexController.php
index 5e37f05..3401c9b 100644
--- a/src/Controller/Admin/IndexController.php
+++ b/src/Controller/Admin/IndexController.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/src/Controller/Front/IndexController.php b/src/Controller/Front/IndexController.php
index 04ca1d3..f6e81db 100644
--- a/src/Controller/Front/IndexController.php
+++ b/src/Controller/Front/IndexController.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/src/Controller/Front/PostController.php b/src/Controller/Front/PostController.php
index c23fca4..eaf25e4 100644
--- a/src/Controller/Front/PostController.php
+++ b/src/Controller/Front/PostController.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/src/Installer/Action/Install.php b/src/Installer/Action/Install.php
index 854730a..073f18f 100644
--- a/src/Installer/Action/Install.php
+++ b/src/Installer/Action/Install.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/src/Route/Blog.php b/src/Route/Blog.php
index affb548..37206be 100644
--- a/src/Route/Blog.php
+++ b/src/Route/Blog.php
@@ -1,10 +1,10 @@
 <?php
 /**
- * Pi Engine (http://pialog.org)
+ * Pi Engine (http://piengine.org)
  *
- * @link            http://code.pialog.org for the Pi Engine source repository
- * @copyright       Copyright (c) Pi Engine http://pialog.org
- * @license         http://pialog.org/license.txt New BSD License
+ * @link            http://code.piengine.org for the Pi Engine source repository
+ * @copyright       Copyright (c) Pi Engine http://piengine.org
+ * @license         http://piengine.org/license.txt New BSD License
  */
 
 /**
diff --git a/template/block/recent-post.phtml b/template/block/recent-post.phtml
index 3ab4df1..7e7c10f 100644
--- a/template/block/recent-post.phtml
+++ b/template/block/recent-post.phtml
@@ -11,7 +11,7 @@
                             <div class="col-md-4">
                                 <a itemprop="url" title="<?php echo $this->escape($post['title']); ?>"
                                    href="<?php echo $this->escape($post['postUrl']); ?>">
-                                    <img itemprop="image" class="img-responsive img-rounded u-photo"
+                                    <img itemprop="image" class="img-fluid rounded u-photo"
                                          src="<?php echo $this->escape($post['thumbUrl']); ?>"
                                          alt="<?php echo $this->escape($post['title']); ?>"/>
                                 </a>
@@ -29,10 +29,10 @@
                             <div class="recent-post-single-information small">
                                 <ul class="clearfix list-inline recent-post-time">
                                     <?php if ($block['show-time']) { ?>
-                                    <li><i class="fa fa-clock-o"></i> <?php echo $this->escape($post['time_create_view']); ?></li>
+                                    <li class="list-inline-item"><i class="fa fa-clock-o"></i> <?php echo $this->escape($post['time_create_view']); ?></li>
                                     <?php } ?>
                                     <?php if ($block['show-hits']) { ?>
-                                    <li><i class="fa fa-eye"></i> <?php echo $this->escape(_number($post['hits'])); ?></li>
+                                    <li class="list-inline-item"><i class="fa fa-eye"></i> <?php echo $this->escape(_number($post['hits'])); ?></li>
                                     <?php } ?>
                                 </ul>
                             </div>
diff --git a/template/front/post-detail.phtml b/template/front/post-detail.phtml
index 6d2e368..7d4bc0c 100644
--- a/template/front/post-detail.phtml
+++ b/template/front/post-detail.phtml
@@ -51,13 +51,13 @@ if (!empty($post['largeUrl'])) {
                     <div class="clearfix">
                         <ul class="list-inline text-muted">
                             <?php if ($configNews['show_date']) { ?>
-                                <li class="itemPostDate dt-published">
+                                <li class="list-inline-item itemPostDate dt-published">
                                     <i class="fa fa-calendar"></i> <?php _e('Time'); ?>
                                     : <?php echo $this->escape($post['time_publish_view']); ?>
                                 </li>
                             <?php } ?>
                             <?php if ($configNews['show_hits']) { ?>
-                                <li class="itemStats">
+                                <li class="list-inline-item itemStats">
                                     <i class="fa fa-eye"></i> <?php _e('Read'); ?>
                                     : <?php echo _number($this->escape($post['hits'])); ?> <?php _e('Times'); ?>
                                 </li>
@@ -92,7 +92,7 @@ if (!empty($post['largeUrl'])) {
                             <div class="thumbnail u-photo">
                                 <a href="<?php echo $post['largeUrl']; ?>"
                                    title="<?php echo $this->escape($post['title']); ?>">
-                                    <img itemprop="image" class="img-responsive"
+                                    <img itemprop="image" class="img-fluid"
                                          src="<?php echo $this->escape($post['mediumUrl']); ?>"
                                          alt="<?php echo $this->escape($post['title']); ?>"/>
                                 </a>
@@ -106,10 +106,10 @@ if (!empty($post['largeUrl'])) {
                 <?php } ?>
                 <div class="clearfix">
                     <ul class="list-inline">
-                        <li><?php if (!empty($vote)) {
+                        <li class="list-inline-item"><?php if (!empty($vote)) {
                                 include $this->template('votebar.phtml', 'front', 'vote');
                             } ?></li>
-                        <li><?php if (!empty($favourite)) {
+                        <li class="list-inline-item"><?php if (!empty($favourite)) {
                                 include $this->template('favouritebar.phtml', 'front', 'favourite');
                             } ?></li>
                     </ul>
@@ -119,7 +119,7 @@ if (!empty($post['largeUrl'])) {
                         <?php foreach ($post['authors'] as $author) { ?>
                             <div class="p-author clearfix" itemprop="publisher">
                                 <p class="text-center">
-                                    <img itemprop="image" class="img-circle"
+                                    <img itemprop="image" class="rounded-circle"
                                          src="<?php echo $this->escape($author['authorThumbUrl']); ?>"
                                          alt="<?php echo $this->escape($author['authorName']); ?>"/>
                                 </p>
@@ -136,11 +136,11 @@ if (!empty($post['largeUrl'])) {
                     </div>
                 <?php } ?>
                 <?php if ($configNews['show_tag'] && isset($tag) && !empty($tag)) { ?>
-                    <div class="well clearfix">
+                    <div class="card card-body bg-light mb-3 clearfix">
                         <h2><?php _e('Tags'); ?></h2>
                         <ul class="tagList list-inline">
                             <?php foreach ($tag as $term) { ?>
-                                <li class="tagItem">
+                                <li class="list-inline-item tagItem">
                                     <a title="<?php echo $this->escape($term); ?>"
                                        href="<?php echo Pi::url($this->url('', array('controller' => 'tag', 'action' => 'term', 'slug' => urlencode($term)))); ?>">
                                         <i class="fa fa-tag"></i> <?php echo $this->escape($term); ?>
@@ -153,10 +153,10 @@ if (!empty($post['largeUrl'])) {
                 <?php include $this->template('attribute', 'front', 'news'); ?>
                 <?php if ($configNews['social_sharing']) { ?>
                     <div class="clearfix">
-                        <div class="col-md-12 col-sm-12 col-xs-12 socialSharingText">
+                        <div class="col-md-12 col-sm-12 col-12 socialSharingText">
                             <strong><?php _e('Share if you like'); ?></strong>
                         </div>
-                        <div class="col-md-12 col-sm-12 col-xs-12 socialSharing">
+                        <div class="col-md-12 col-sm-12 col-12 socialSharing">
                             <?php echo $this->socialSharing(
                                 $configNews['social_sharing'],
                                 $this->escape($post['title']),
@@ -167,8 +167,8 @@ if (!empty($post['largeUrl'])) {
                     </div>
                 <?php } ?>
                 <?php /* if (isset($relateds) && !empty($relateds)) { ?>
-                    <div class="panel panel-default news-post-related">
-                        <div class="panel-heading">
+                    <div class="card card-body bg-light mb-3 news-post-related">
+                        <div class="card-heading">
                             <?php _e('Related posts'); ?>
                         </div>
                         <div class="list-group">
@@ -177,7 +177,7 @@ if (!empty($post['largeUrl'])) {
                                     <div class="row">
                                         <div class="col-md-4">
                                             <?php if ($related['main_image']) { ?>
-                                                <img itemprop="image" class="img-responsive u-photo"
+                                                <img itemprop="image" class="img-fluid u-photo"
                                                      src="<?php echo $this->escape($related['thumbUrl']); ?>"
                                                      alt="<?php echo $this->escape($related['title']); ?>"/>
                                             <?php } ?>
diff --git a/template/front/post-list.phtml b/template/front/post-list.phtml
index 1ac9d41..21d7df5 100644
--- a/template/front/post-list.phtml
+++ b/template/front/post-list.phtml
@@ -4,7 +4,7 @@
         <h1><?php echo $this->escape($title); ?></h1>
     </div>
     <?php if (!empty($config['text_description_index']) && isset($page) && $page == 1) { ?>
-        <div class="well post-description">
+        <div class="card card-body bg-light mb-3 post-description">
             <?php echo $config['text_description_index']; ?>
         </div>
     <?php } ?>
@@ -17,7 +17,7 @@
                             <?php if ($post['main_image']) { ?>
                                 <a itemprop="url" title="<?php echo $this->escape($post['title']); ?>"
                                    href="<?php echo $this->escape($post['postUrl']); ?>">
-                                    <img itemprop="image" class="img-responsive img-rounded u-photo"
+                                    <img itemprop="image" class="img-fluid rounded u-photo"
                                          src="<?php echo $this->escape($post['thumbUrl']); ?>"
                                          alt="<?php echo $this->escape($post['title']); ?>"/>
                                 </a>
@@ -37,8 +37,8 @@
                             </div>
                             <div class="post-single-information small">
                                 <ul class="clearfix list-inline post-time">
-                                    <li><i class="fa fa-clock-o"></i> <?php echo $this->escape($post['time_create_view']); ?></li>
-                                    <li><i class="fa fa-eye"></i> <?php echo $this->escape(_number($post['hits'])); ?></li>
+                                    <li class="list-inline-item"><i class="fa fa-clock-o"></i> <?php echo $this->escape($post['time_create_view']); ?></li>
+                                    <li class="list-inline-item"><i class="fa fa-eye"></i> <?php echo $this->escape(_number($post['hits'])); ?></li>
                                 </ul>
                             </div>
                             <?php if (!empty($post['text_summary'])) { ?>