diff --git a/bl-kernel/abstract/dblist.class.php b/bl-kernel/abstract/dblist.class.php
index 133b158e..0cc953ea 100644
--- a/bl-kernel/abstract/dblist.class.php
+++ b/bl-kernel/abstract/dblist.class.php
@@ -6,10 +6,12 @@ Database structure
 {
 	"videos": {
 		"name": "Videos",
+		"template: "",
 		"list": [ "my-page", "second-page" ]
 	},
 	"pets": {
 		"name": "Pets",
+		"template: "",
 		"list": [ "cats-and-dogs" ]
 	}
 }
@@ -24,77 +26,62 @@ class dbList extends dbJSON
 		parent::__construct($file);
 	}
 
-	// Returns an array with a list of key of pages, FALSE if out of range
+	// Returns the list of keys filter by pageNumber
 	public function getList($key, $pageNumber, $amountOfItems)
 	{
-		if (empty($key)) {
-			return false;
-		}
-
 		if (!isset($this->db[$key])) {
 			Log::set(__METHOD__.LOG_SEP.'Error key does not exist '.$key);
 			return false;
 		}
 
+		// List of keys
 		$list = $this->db[$key]['list'];
 
+		// Returns all the items from the list
 		if ($amountOfItems==-1) {
 			// Invert keys to values, is necesary returns as key the key pages
-			//$list = array_flip($list);
+			$list = array_flip($list);
 			return $list;
 		}
 
 		// The first page number is 1, so the real is 0
 		$realPageNumber = $pageNumber - 1;
-
-		$total = count($list);
-		$init = (int) $amountOfItems * $realPageNumber;
-		$end  = (int) min( ($init + $amountOfItems - 1), $total );
-		$outrange = $init<0 ? true : $init>$end;
-
-		if($outrange) {
-			Log::set(__METHOD__.LOG_SEP.'Error out of range');
-			return false;
+		$chunks = array_chunk($list, $realPageNumber);
+		if (isset($chunks[$realPageNumber])) {
+			return $chunks[$realPageNumber];
 		}
 
-		//$list = array_flip($list);
-		return array_slice($list, $init, $amountOfItems, true);
+		// Out of index,returns FALSE
+		return false;
 	}
 
 	public function generateKey($name)
 	{
 		$key = Text::cleanUrl($name);
-		if (empty($key)) {
-			return false;
+		while (isset($this->db[$key])) {
+			$key++;
 		}
 		return $key;
 	}
 
-	public function add($name)
+	// Add a new item to the dblist
+	// $args => 'name', 'template', 'list'
+	public function add($args)
 	{
-		$key = $this->generateKey($name);
-		if ($key===false) {
-			Log::set(__METHOD__.LOG_SEP.'Error when try to generate the key');
-			return false;
-		}
+		$key = $this->generateKey($args['name']);
 
-		if (isset($this->db[$key])) {
-			Log::set(__METHOD__.LOG_SEP.'Error key already exists: '.$key);
-			return false;
-		}
-
-		$this->db[$key]['name'] = Sanitize::html($name);
-		$this->db[$key]['list'] = array();
+		$this->db[$key]['name'] 	= $args['name'];
+		$this->db[$key]['template'] 	= isset($args['template'])?$args['template']:'';
+		$this->db[$key]['list'] 	= isset($args['list'])?$args['list']:array();
 
 		$this->sortAlphanumeric();
 		$this->save();
-
 		return $key;
 	}
 
 	public function remove($key)
 	{
-		if( !isset($this->db[$key]) ) {
+		if (!isset($this->db[$key])) {
 			Log::set(__METHOD__.LOG_SEP.'The key does not exist, key: '.$key);
 			return false;
 		}
@@ -103,41 +90,27 @@ class dbList extends dbJSON
 		return $this->save();
 	}
 
-	public function edit($oldKey, $newName)
+	// Edit an item to the dblist
+	// $args => 'name', 'oldkey', 'newKey', 'template'
+	public function edit($args)
 	{
-		$newKey = $this->generateKey($newName);
-
-		$this->db[$newKey]['name'] = Sanitize::html($newName);
-		$this->db[$newKey]['list'] = $this->db[$oldKey]['list'];
-
-		// Remove the old key
-		if ($oldKey!=$newKey) {
-			unset( $this->db[$oldKey] );
-		}
-
-		$this->sortAlphanumeric();
-		$this->save();
-		return $newKey;
-	}
-
-	public function changeKey($oldKey, $newKey)
-	{
-		if ($this->exists($newKey)) {
-			Log::set(__METHOD__.LOG_SEP.'Error key already exists: '.$newKey);
+		if (isset($this->db[$args['newKey']])) {
+			Log::set(__METHOD__.LOG_SEP.'The new key already exists. Key: '.$args['newKey']);
 			return false;
 		}
 
-		$this->db[$newKey]['name'] = $this->db[$oldKey]['name'];
-		$this->db[$newKey]['list'] = $this->db[$oldKey]['list'];
+		$this->db[$args['newKey']]['name'] 	= $args['name'];
+		$this->db[$args['newKey']]['template'] 	= isset($args['template'])?$args['template']:'';
+		$this->db[$args['newKey']]['list'] 	= $this->db[$args['oldKey']]['list'];
 
-		// Remove the old key
-		if ($oldKey!=$newKey) {
-			unset( $this->db[$oldKey] );
+		// Remove the old category
+		if ($args['oldKey'] !== $args['newKey']) {
+			unset( $this->db[$args['oldKey']] );
 		}
 
 		$this->sortAlphanumeric();
 		$this->save();
-		return $newKey;
+		return $args['newKey'];
 	}
 
 	// Sort the categories by "Natural order"
@@ -150,10 +123,9 @@ class dbList extends dbJSON
 	// Returns the name associated to the key, FALSE if the key doesn't exist
 	public function getName($key)
 	{
-		if( isset($this->db[$key]) ) {
+		if (isset($this->db[$key])) {
 			return $this->db[$key]['name'];
 		}
-
 		return false;
 	}
 
@@ -164,7 +136,6 @@ class dbList extends dbJSON
 		foreach($this->db as $key=>$fields) {
 			$tmp[$key] = $fields['name'];
 		}
-
 		return $tmp;
 	}
 
@@ -174,7 +145,6 @@ class dbList extends dbJSON
 		if( isset($this->db[$key]) ) {
 			return count($this->db[$key]['list']);
 		}
-
 		return 0;
 	}
 
@@ -183,14 +153,25 @@ class dbList extends dbJSON
 		return isset( $this->db[$key] );
 	}
 
+	public function existsName($name)
+	{
+		foreach ($this->db as $key=>$fields) {
+			if ($name==$fields['name']) {
+				return true;
+			}
+		}
+		return false;
+	}
+
 	// Returns an array with a portion of the database filtered by key
-	// Returns array( 'name'=>'', 'list'=>array() )
+	// Returns array( 'key'=>'', 'name'=>'', 'template'=>'', 'list'=>array() )
 	public function getMap($key)
 	{
-		if( isset($this->db[$key]) ) {
-			return $this->db[$key];
+		if (isset($this->db[$key])) {
+			$tmp = $this->db[$key];
+			$tmp['key'] = $key;
+			return $tmp;
 		}
-
 		return false;
 	}
 
diff --git a/bl-kernel/admin/controllers/edit-category.php b/bl-kernel/admin/controllers/edit-category.php
index 8675480f..b0f133be 100644
--- a/bl-kernel/admin/controllers/edit-category.php
+++ b/bl-kernel/admin/controllers/edit-category.php
@@ -41,7 +41,7 @@ if (!$dbCategories->exists($categoryKey)) {
 	Redirect::page('categories');
 }
 
-$categoryName = $dbCategories->getName($layout['parameters']);
+$categoryMap = $dbCategories->getMap($categoryKey);
 
 // Title of the page
-$layout['title'] .= ' - '.$Language->g('Edit Category').' - '.$categoryName;
\ No newline at end of file
+$layout['title'] .= ' - '.$Language->g('Edit Category').' [ '.$categoryMap['name'] . ' ] ';
\ No newline at end of file
diff --git a/bl-kernel/admin/controllers/edit-user.php b/bl-kernel/admin/controllers/edit-user.php
index fa312712..d0c8e635 100644
--- a/bl-kernel/admin/controllers/edit-user.php
+++ b/bl-kernel/admin/controllers/edit-user.php
@@ -12,21 +12,20 @@
 // POST Method
 // ============================================================================
 
-if( $_SERVER['REQUEST_METHOD'] == 'POST' )
-{
+if ($_SERVER['REQUEST_METHOD'] == 'POST') {
 	// Prevent non-administrators to change other users
-	if($Login->role()!=='admin') {
+	if ($Login->role()!=='admin') {
 		$_POST['username'] = $Login->username();
 		unset($_POST['role']);
 	}
 
-	if(isset($_POST['delete-user-all'])) {
+	if (isset($_POST['delete-user-all'])) {
 		deleteUser($_POST, $deleteContent=true);
 	}
-	elseif(isset($_POST['delete-user-associate'])) {
+	elseif (isset($_POST['delete-user-associate'])) {
 		deleteUser($_POST, $deleteContent=false);
 	}
-	elseif(isset($_POST['disable-user'])) {
+	elseif (isset($_POST['disable-user'])) {
 		disableUser($_POST['username']);
 	}
 	else {
diff --git a/bl-kernel/admin/controllers/add-user.php b/bl-kernel/admin/controllers/new-user.php
similarity index 100%
rename from bl-kernel/admin/controllers/add-user.php
rename to bl-kernel/admin/controllers/new-user.php
diff --git a/bl-kernel/admin/controllers/settings-advanced.php b/bl-kernel/admin/controllers/settings.php
similarity index 61%
rename from bl-kernel/admin/controllers/settings-advanced.php
rename to bl-kernel/admin/controllers/settings.php
index 71f153fc..46e41738 100644
--- a/bl-kernel/admin/controllers/settings-advanced.php
+++ b/bl-kernel/admin/controllers/settings.php
@@ -23,31 +23,12 @@ if ($Login->role()!=='admin') {
 
 if ($_SERVER['REQUEST_METHOD'] == 'POST') {
 	editSettings($_POST);
-	Redirect::page('settings-advanced');
+	Redirect::page('settings');
 }
 
 // ============================================================================
 // Main after POST
 // ============================================================================
-$allPages = buildAllpages($publishedPages=true, $staticPages=true, $draftPages=false, $scheduledPages=false);
-
-// Generate $pagesByParentByKey and pagesByParent
-$pagesByParent = array(PARENT=>array());
-$pagesByParentByKey = array(PARENT=>array());
-buildPagesByParent(true, true);
-
-// Homepage select options
-$homepageOptions = array(' '=>'- '.$L->g('Default').' -');
-foreach ($allPages as $key=>$page) {
-	$parentKey = $page->parentKey();
-	if ($parentKey) {
-		$homepageOptions[$key] = $pagesByParentByKey[PARENT][$parentKey]->title() .'->'. $page->title();
-	} else {
-		$homepageOptions[$key] = $page->title();
-	}
-
-	ksort($homepageOptions);
-}
 
 // Title of the page
 $layout['title'] .= ' - '.$Language->g('Advanced Settings');
\ No newline at end of file
diff --git a/bl-kernel/admin/themes/booty/index.php b/bl-kernel/admin/themes/booty/index.php
index 8b3df20b..1ecb222c 100644
--- a/bl-kernel/admin/themes/booty/index.php
+++ b/bl-kernel/admin/themes/booty/index.php
@@ -57,8 +57,8 @@
 			if (Sanitize::pathFile(PATH_ADMIN_VIEWS, $layout['view'].'.php')) {
 				include(PATH_ADMIN_VIEWS.$layout['view'].'.php');
 			} else {
-				echo '<h1 style="width:100%; text-align:center">'.$L->g('Page not found').'</h1>';
-				echo '<h2 style="width:100%; text-align:center">'.$L->g('Choose a page from the sidebar.').'</h2>';
+				echo '<h1 class="text-center">'.$L->g('Page not found').'</h1>';
+				echo '<h2 class="text-center">'.$L->g('Choose a page from the sidebar.').'</h2>';
 			}
 		?>
 		</div>
diff --git a/bl-kernel/admin/themes/booty/init.php b/bl-kernel/admin/themes/booty/init.php
index 4f4b1502..9a5deb2d 100644
--- a/bl-kernel/admin/themes/booty/init.php
+++ b/bl-kernel/admin/themes/booty/init.php
@@ -45,40 +45,51 @@ class Bootstrap {
 
 	public static function pageTitle($args)
 	{
-		return '<h2 class="mt-0 mb-3"><span class="oi oi-'.$args['icon'].'" style="font-size: 0.7em;"></span> '.$args['title'].'</h2>';
+		$icon = $args['icon'];
+		$title = $args['title'];
+return <<<EOF
+<h2 class="mt-0 mb-3">
+	<span class="oi oi-$icon" style="font-size: 0.7em;"></span> $title
+</h2>
+EOF;
 	}
 
 	public static function formOpen($args)
 	{
-		$class = empty($args['class']) ? '' : ' '.$args['class'];
-		$id = empty($args['id']) ? '' : ' id="'.$args['id'].'" ';
-		$enctype = empty($args['enctype']) ? '' : ' enctype="'.$args['enctype'].'" ';
+		$class = empty($args['class'])?'':'class="'.$args['class'].'"';
+		$id = empty($args['id'])?'':'id="'.$args['id'].'"';
+		$enctype = empty($args['enctype'])?'':'enctype="'.$args['enctype'].'"';
+		$action = empty($args['action'])?'action=""':'action="'.$args['action'].'"';
+		$method = empty($args['method'])?'method="post"':'method="'.$args['method'].'"';
 
-		$html = '<form class="'.$class.'" '.$enctype.$id.' method="post" action="" autocomplete="off">';
-		return $html;
+return <<<EOF
+<form $class $enctype $id $method $action autocomplete="off">
+EOF;
 	}
 
 	public static function formClose()
 	{
-		$html = '</form>';
-
-		$script = '<script>
-		$(document).ready(function() {
-			// Prevent the form submit when press enter key.
-			$("form").keypress(function(e) {
-				if ((e.which == 13) && (e.target.type !== "textarea")) {
-					return false;
-				}
-			});
-		});
-		</script>';
-
-		return $html.$script;
+return <<<EOF
+</form>
+<script>
+$(document).ready(function() {
+	// Prevent the form submit when press enter key.
+	$("form").keypress(function(e) {
+		if ((e.which == 13) && (e.target.type !== "textarea")) {
+			return false;
+		}
+	});
+});
+</script>
+EOF;
 	}
 
 	public static function formTitle($args)
 	{
-		return '<h4 class="mt-4 mb-3">'.$args['title'].'</h4>';
+		$title = $args['title'];
+return <<<EOF
+<h4 class="mt-4 mb-3 font-weight-normal">$title</h4>
+EOF;
 	}
 
 	public static function formInputTextBlock($args)
@@ -188,31 +199,36 @@ EOF;
 
 	public static function formInputText($args)
 	{
-		$id = 'js'.$args['name'];
+		$label = isset($args['label'])?$args['label']:'';
+		$placeholder = isset($args['placeholder'])?$args['placeholder']:'';
+		$tip = isset($args['tip'])?$args['tip']:'';
+		$value = isset($args['value'])?$args['value']:'';
+		$name = $args['name'];
+		$id = 'js'.$name;
 		if (isset($args['id'])) {
 			$id = $args['id'];
 		}
+		$disabled = isset($args['disabled'])?'disabled':'';
 
 		$class = 'form-control';
 		if (isset($args['class'])) {
 			$class = $class.' '.$args['class'];
 		}
 
-		$html = '<div class="form-group row">';
-
-		if (isset($args['label'])) {
-			$html .= '<label for="'.$id.'" class="col-sm-2 col-form-label">'.$args['label'].'</label>';
+		$type = 'text';
+		if (isset($args['type'])) {
+			$type = $args['type'];
 		}
 
-		$html .= '<div class="col-sm-10">';
-		$html .= '<input type="text" class="'.$class.'" id="'.$id.'" name="'.$args['name'].'" placeholder="'.$args['placeholder'].'">';
-		if (isset($args['tip'])) {
-			$html .= '<small class="form-text text-muted">'.$args['tip'].'</small>';
-		}
-		$html .= '</div>';
-		$html .= '</div>';
-
-		return $html;
+return <<<EOF
+<div class="form-group row">
+	<label for="$id" class="col-sm-2 col-form-label">$label</label>
+	<div class="col-sm-10">
+		<input class="$class" id="$id" name="$name" value="$value" placeholder="$placeholder" type="$type" $disabled>
+		<small class="form-text text-muted">$tip</small>
+	</div>
+</div>
+EOF;
 	}
 
 	public static function formSelect($args)
diff --git a/bl-kernel/admin/views/edit-category.php b/bl-kernel/admin/views/edit-category.php
index e8c669f5..94cdf292 100644
--- a/bl-kernel/admin/views/edit-category.php
+++ b/bl-kernel/admin/views/edit-category.php
@@ -10,29 +10,33 @@ echo Bootstrap::formOpen(array());
 	));
 
 	echo Bootstrap::formInputHidden(array(
-		'name'=>'oldCategoryName',
-		'value'=>$categoryName
-	));
-
-	echo Bootstrap::formInputHidden(array(
-		'name'=>'oldCategoryKey',
-		'value'=>$categoryKey
+		'name'=>'oldKey',
+		'value'=>$categoryMap['key']
 	));
 
 	echo Bootstrap::formInputTextBlock(array(
-		'name'=>'categoryName',
+		'name'=>'name',
 		'label'=>$L->g('Category name'),
-		'value'=>$categoryName,
+		'value'=>$categoryMap['name'],
 		'class'=>'',
 		'placeholder'=>'',
 		'tip'=>''
 	));
 
 	echo Bootstrap::formInputGroupText(array(
-		'name'=>'categoryKey',
+		'name'=>'newKey',
 		'label'=>$L->g('Category key'),
 		'labelInside'=>DOMAIN_CATEGORIES,
-		'value'=>$categoryKey,
+		'value'=>$categoryMap['key'],
+		'class'=>'',
+		'placeholder'=>'',
+		'tip'=>''
+	));
+
+	echo Bootstrap::formInputTextBlock(array(
+		'name'=>'template',
+		'label'=>$L->g('Category template'),
+		'value'=>isset($categoryMap['template'])?$categoryMap['template']:'',
 		'class'=>'',
 		'placeholder'=>'',
 		'tip'=>''
diff --git a/bl-kernel/admin/views/new-user.php b/bl-kernel/admin/views/new-user.php
index 859c888a..93c2ceea 100644
--- a/bl-kernel/admin/views/new-user.php
+++ b/bl-kernel/admin/views/new-user.php
@@ -1,60 +1,66 @@
-<?php
+<?php defined('BLUDIT') or die('Bludit CMS.');
 
-HTML::title(array('title'=>$L->g('Add a new user'), 'icon'=>'user-plus'));
+echo Bootstrap::pageTitle(array('title'=>$L->g('Add a new user'), 'icon'=>'person'));
 
-HTML::formOpen(array('id'=>'add-user-form', 'class'=>'uk-form-horizontal'));
+echo Bootstrap::formOpen(array());
 
-	// Security token
-	HTML::formInputHidden(array(
+	echo Bootstrap::formInputHidden(array(
 		'name'=>'tokenCSRF',
 		'value'=>$Security->getTokenCSRF()
 	));
 
-	HTML::formInputText(array(
+	echo Bootstrap::formInputText(array(
 		'name'=>'new_username',
 		'label'=>$L->g('Username'),
 		'value'=>(isset($_POST['new_username'])?$_POST['new_username']:''),
-		'class'=>'uk-width-1-2 uk-form-medium',
+		'class'=>'',
+		'placeholder'=>'',
 		'tip'=>''
 	));
 
-	HTML::formInputPassword(array(
+	echo Bootstrap::formInputText(array(
 		'name'=>'new_password',
+		'type'=>'password',
 		'label'=>$L->g('Password'),
 		'value'=>'',
-		'class'=>'uk-width-1-2 uk-form-medium',
+		'class'=>'',
+		'placeholder'=>'',
 		'tip'=>''
 	));
 
-	HTML::formInputPassword(array(
+	echo Bootstrap::formInputText(array(
 		'name'=>'confirm_password',
+		'type'=>'password',
 		'label'=>$L->g('Confirm Password'),
 		'value'=>'',
-		'class'=>'uk-width-1-2 uk-form-medium',
+		'class'=>'',
+		'placeholder'=>'',
 		'tip'=>''
 	));
 
-	HTML::formSelect(array(
+	echo Bootstrap::formSelect(array(
 		'name'=>'role',
 		'label'=>$L->g('Role'),
 		'options'=>array('editor'=>$L->g('Editor'), 'admin'=>$L->g('Administrator')),
 		'selected'=>'editor',
+		'class'=>'',
 		'tip'=>''
 	));
 
-	HTML::formInputText(array(
+	echo Bootstrap::formInputText(array(
 		'name'=>'email',
 		'label'=>$L->g('Email'),
 		'value'=>(isset($_POST['email'])?$_POST['email']:''),
-		'class'=>'uk-width-1-2 uk-form-medium',
+		'class'=>'',
+		'placeholder'=>'',
 		'tip'=>''
 	));
 
-	echo '<div class="uk-form-row">
-		<div class="uk-form-controls">
-		<button type="submit" class="uk-button uk-button-primary">'.$L->g('Save').'</button>
-		<a href="'.HTML_PATH_ADMIN_ROOT.'users" class="uk-button">'.$L->g('Cancel').'</a>
-		</div>
-	</div>';
+	echo '
+	<div class="form-group mt-4">
+		<button type="submit" class="btn btn-primary mr-2" name="save">'.$L->g('Save').'</button>
+		<a class="btn btn-secondary" href="'.HTML_PATH_ADMIN_ROOT.'users" role="button">'.$L->g('Cancel').'</a>
+	</div>
+	';
 
-HTML::formClose();
\ No newline at end of file
+echo Bootstrap::formClose();
\ No newline at end of file
diff --git a/bl-kernel/admin/views/plugins.php b/bl-kernel/admin/views/plugins.php
index ce01aa3f..dd0fd89d 100644
--- a/bl-kernel/admin/views/plugins.php
+++ b/bl-kernel/admin/views/plugins.php
@@ -1,58 +1,61 @@
 <?php
 
-HTML::title(array('title'=>$L->g('Plugins'), 'icon'=>'puzzle-piece'));
+echo Bootstrap::pageTitle(array('title'=>$L->g('Plugins'), 'icon'=>'puzzle-piece'));
 
-echo '<a href="'.HTML_PATH_ADMIN_ROOT.'plugins-position"><i class="uk-icon-plus"></i> '.$L->g('Change the position of the plugins').'</a>';
+echo Bootstrap::link(array(
+	'title'=>$L->g('Change the position of the plugins'),
+	'href'=>HTML_PATH_ADMIN_ROOT.'plugins-position',
+	'icon'=>'elevator'
+));
 
 echo '
-<table class="uk-table">
-<thead>
-	<tr>
-	<th class="uk-width-1-5">'.$L->g('Name').'</th>
-	<th class="uk-width-3-5">'.$L->g('Description').'</th>
-	<th class="uk-text-center">'.$L->g('Version').'</th>
-	<th class="uk-text-center">'.$L->g('Author').'</th>
-	</tr>
-</thead>
-<tbody>
+<table class="table  mt-3">
+	<thead>
+		<tr>
+			<th class="border-bottom-0 w-25" scope="col">'.$L->g('Name').'</th>
+			<th class="border-bottom-0" scope="col">'.$L->g('Description').'</th>
+			<th class="text-center border-bottom-0 d-none d-lg-table-cell" scope="col">'.$L->g('Version').'</th>
+			<th class="text-center border-bottom-0 d-none d-lg-table-cell" scope="col">'.$L->g('Author').'</th>
+		</tr>
+	</thead>
+	<tbody>
 ';
 
-foreach ($plugins['all'] as $Plugin) {
-	echo '<tr id="'.$Plugin->className().'" '.($Plugin->installed()?'class="plugin-installed"':'class="plugin-notInstalled"').'>
-	<td>
-	<div class="plugin-name">'.$Plugin->name().'</div>
-	<div class="plugin-links">';
+foreach ($plugins['all'] as $plugin) {
+	echo '<tr id="'.$plugin->className().'" '.($plugin->installed()?'class="bg-light"':'').'>
 
-	if ($Plugin->installed()) {
-		if (method_exists($Plugin, 'form')) {
-			echo '<a class="configure" href="'.HTML_PATH_ADMIN_ROOT.'configure-plugin/'.$Plugin->className().'">'.$L->g('Settings').'</a>';
-			echo '<span class="separator"> | </span>';
+	<td class="align-middle pt-3 pb-3">
+		<div>'.$plugin->name().'</div>
+		<div class="mt-1">';
+
+		if ($plugin->installed()) {
+			if (method_exists($plugin, 'form')) {
+				echo '<a class="mr-3" href="'.HTML_PATH_ADMIN_ROOT.'configure-plugin/'.$plugin->className().'">'.$L->g('Settings').'</a>';
+			}
+			echo '<a href="'.HTML_PATH_ADMIN_ROOT.'uninstall-plugin/'.$plugin->className().'">'.$L->g('Deactivate').'</a>';
+		} else {
+			echo '<a href="'.HTML_PATH_ADMIN_ROOT.'install-plugin/'.$plugin->className().'">'.$L->g('Activate').'</a>';
 		}
-		echo '<a class="uninstall" href="'.HTML_PATH_ADMIN_ROOT.'uninstall-plugin/'.$Plugin->className().'">'.$L->g('Deactivate').'</a>';
-	} else {
-		echo '<a class="install" href="'.HTML_PATH_ADMIN_ROOT.'install-plugin/'.$Plugin->className().'">'.$L->g('Activate').'</a>';
-	}
 
-	echo '</div>';
+		echo '</div>';
 	echo '</td>';
 
-	echo '<td>';
-	echo $Plugin->description();
+	echo '<td class="align-middle">';
+		echo $plugin->description();
 	echo '</td>';
 
-	echo '<td class="uk-text-center">';
-	// if( !$Plugin->isCompatible() ) {
-	// 	echo '<i class="uk-icon-exclamation-triangle incompatible-warning" title="'.$L->g('This plugin may not be supported by this version of Bludit').'"></i>';
-	// }
-	echo '<span>'.$Plugin->version().'</span>';
+	echo '<td class="text-center align-middle d-none d-lg-table-cell">';
+		echo '<span>'.$plugin->version().'</span>';
 	echo '</td>';
 
-	echo '<td class="uk-text-center"><a target="_blank" href="'.$Plugin->website().'">'.$Plugin->author().'</a></td>';
+	echo '<td class="text-center align-middle d-none d-lg-table-cell">
+		<a target="_blank" href="'.$plugin->website().'">'.$plugin->author().'</a>
+	</td>';
 
 	echo '</tr>';
 }
 
 echo '
-</tbody>
+	</tbody>
 </table>
 ';
\ No newline at end of file
diff --git a/bl-kernel/admin/views/settings.php b/bl-kernel/admin/views/settings.php
index 351b1fae..5ecf730f 100644
--- a/bl-kernel/admin/views/settings.php
+++ b/bl-kernel/admin/views/settings.php
@@ -19,15 +19,18 @@ echo Bootstrap::pageTitle(array('title'=>$L->g('Settings'), 'icon'=>'cog'));
 		<a class="nav-link" id="language-tab" data-toggle="tab" href="#language" role="tab" aria-controls="language" aria-selected="false">Language</a>
 	</li>
 </ul>
-<form class="tab-content mt-4" id="dynamicTabContent">
+<?php
+	echo Bootstrap::formOpen(array(
+		'id'=>'dynamicTabContent',
+		'class'=>'tab-content mt-4',
+	));
 
-	<?php
-		// Token CSRF
-		echo Bootstrap::formInputHidden(array(
-			'name'=>'tokenCSRF',
-			'value'=>$Security->getTokenCSRF()
-		));
-	?>
+	// Token CSRF
+	echo Bootstrap::formInputHidden(array(
+		'name'=>'tokenCSRF',
+		'value'=>$Security->getTokenCSRF()
+	));
+?>
 
 	<!-- TABS GENERAL -->
 	<div class="tab-pane show active" id="general" role="tabpanel" aria-labelledby="general-tab">
@@ -67,6 +70,13 @@ echo Bootstrap::pageTitle(array('title'=>$L->g('Settings'), 'icon'=>'cog'));
 			'placeholder'=>'',
 			'tip'=>$L->g('you-can-add-a-small-text-on-the-bottom')
 		));
+
+		echo '
+		<div class="form-group mt-4">
+			<button type="submit" class="btn btn-primary mr-2" name="save">'.$L->g('Save').'</button>
+			<a class="btn btn-secondary" href="'.HTML_PATH_ADMIN_ROOT.'dashboard" role="button">'.$L->g('Cancel').'</a>
+		</div>
+		';
 	?>
 	</div>
 
@@ -129,7 +139,7 @@ echo Bootstrap::pageTitle(array('title'=>$L->g('Settings'), 'icon'=>'cog'));
 
 		echo Bootstrap::formInputText(array(
 			'name'=>'url',
-			'label'=>'',
+			'label'=>'URL',
 			'value'=>$Site->url(),
 			'class'=>'',
 			'placeholder'=>'',
@@ -137,13 +147,15 @@ echo Bootstrap::pageTitle(array('title'=>$L->g('Settings'), 'icon'=>'cog'));
 			'placeholder'=>'https://'
 		));
 
+		echo Bootstrap::formTitle(array('title'=>$L->g('Extreme friendly URL')));
+
 		echo Bootstrap::formSelect(array(
 			'name'=>'extremeFriendly',
-			'label'=>$L->g('Extreme Friendly URL'),
+			'label'=>'Allow Unicode',
 			'options'=>array('true'=>'Enabled', 'false'=>'Disable'),
 			'selected'=>$Site->extremeFriendly(),
 			'class'=>'',
-			'tip'=>'Is on, allow unicode characters in the URL and some part of the system'
+			'tip'=>'Allow unicode characters in the URL and some part of the system.'
 		));
 
 		echo Bootstrap::formTitle(array('title'=>$L->g('URL Filters')));
@@ -184,6 +196,13 @@ echo Bootstrap::pageTitle(array('title'=>$L->g('Settings'), 'icon'=>'cog'));
 			'tip'=>DOMAIN.$Site->uriFilters('blog'),
 			'disabled'=>!$Site->uriFilters('blog')
 		));
+
+		echo '
+		<div class="form-group mt-4">
+			<button type="submit" class="btn btn-primary mr-2" name="save">'.$L->g('Save').'</button>
+			<a class="btn btn-secondary" href="'.HTML_PATH_ADMIN_ROOT.'dashboard" role="button">'.$L->g('Cancel').'</a>
+		</div>
+		';
 	?>
 	</div>
 
@@ -252,11 +271,66 @@ echo Bootstrap::pageTitle(array('title'=>$L->g('Settings'), 'icon'=>'cog'));
 			'placeholder'=>'',
 			'tip'=>''
 		));
+
+		echo '
+		<div class="form-group mt-4">
+			<button type="submit" class="btn btn-primary mr-2" name="save">'.$L->g('Save').'</button>
+			<a class="btn btn-secondary" href="'.HTML_PATH_ADMIN_ROOT.'dashboard" role="button">'.$L->g('Cancel').'</a>
+		</div>
+		';
 	?>
 	</div>
 
 	<!-- TABS TIMEZONE AND LANGUAGES -->
 	<div class="tab-pane" id="language" role="tabpanel" aria-labelledby="language-tab">
+	<?php
 
+		echo Bootstrap::formSelect(array(
+			'name'=>'language',
+			'label'=>$L->g('Language'),
+			'options'=>$Language->getLanguageList(),
+			'selected'=>$Site->language(),
+			'class'=>'',
+			'tip'=>$L->g('select-your-sites-language')
+		));
+
+		echo Bootstrap::formSelect(array(
+			'name'=>'timezone',
+			'label'=>$L->g('Timezone'),
+			'options'=>Date::timezoneList(),
+			'selected'=>$Site->timezone(),
+			'class'=>'',
+			'tip'=>$L->g('select-a-timezone-for-a-correct')
+		));
+
+		echo Bootstrap::formInputText(array(
+			'name'=>'locale',
+			'label'=>$L->g('Locale'),
+			'value'=>$Site->locale(),
+			'class'=>'',
+			'placeholder'=>'',
+			'tip'=>$L->g('with-the-locales-you-can-set-the-regional-user-interface')
+		));
+
+		echo Bootstrap::formTitle(array('title'=>$L->g('Date and time formats')));
+
+		echo Bootstrap::formInputText(array(
+			'name'=>'dateFormat',
+			'label'=>$L->g('Date format'),
+			'value'=>$Site->dateFormat(),
+			'class'=>'',
+			'placeholder'=>'',
+			'tip'=>$L->g('Current format').': '.Date::current($Site->dateFormat())
+		));
+
+		echo '
+		<div class="form-group mt-4">
+			<button type="submit" class="btn btn-primary mr-2" name="save">'.$L->g('Save').'</button>
+			<a class="btn btn-secondary" href="'.HTML_PATH_ADMIN_ROOT.'dashboard" role="button">'.$L->g('Cancel').'</a>
+		</div>
+		';
+	?>
 	</div>
-</form>
\ No newline at end of file
+<?php
+	echo Bootstrap::formClose();
+?>
\ No newline at end of file
diff --git a/bl-kernel/admin/views/themes.php b/bl-kernel/admin/views/themes.php
index 71c4eaa1..08514077 100644
--- a/bl-kernel/admin/views/themes.php
+++ b/bl-kernel/admin/views/themes.php
@@ -1,54 +1,53 @@
 <?php
 
-HTML::title(array('title'=>$L->g('Themes'), 'icon'=>'paint-brush'));
+echo Bootstrap::pageTitle(array('title'=>$L->g('Themes'), 'icon'=>'puzzle-piece'));
 
 echo '
-<table class="uk-table">
-<thead>
-<tr>
-	<th class="uk-width-1-5">'.$L->g('Name').'</th>
-	<th class="uk-width-3-5">'.$L->g('Description').'</th>
-	<th class="uk-text-center">'.$L->g('Version').'</th>
-	<th class="uk-text-center">'.$L->g('Author').'</th>
-	</tr>
-</thead>
-<tbody>
+<table class="table  mt-3">
+	<thead>
+		<tr>
+			<th class="border-bottom-0 w-25" scope="col">'.$L->g('Name').'</th>
+			<th class="border-bottom-0" scope="col">'.$L->g('Description').'</th>
+			<th class="text-center border-bottom-0 d-none d-lg-table-cell" scope="col">'.$L->g('Version').'</th>
+			<th class="text-center border-bottom-0 d-none d-lg-table-cell" scope="col">'.$L->g('Author').'</th>
+		</tr>
+	</thead>
+	<tbody>
 ';
 
-foreach($themes as $theme)
-{
+foreach ($themes as $theme) {
 	echo '
-	<tr '.($theme['dirname']==$Site->theme()?'class="theme-installed"':'class="theme-notInstalled"').'>
-	<td>
-	<div class="plugin-name">'.$theme['name'].'</div>
-	<div class="plugin-links">
+	<tr '.($theme['dirname']==$Site->theme()?'class="bg-light"':'').'>
+		<td class="align-middle pt-3 pb-3">
+			<div>'.$theme['name'].'</div>
+			<div class="mt-1">
 	';
 
-	if($theme['dirname']!=$Site->theme()) {
-		echo '<a class="install" href="'.HTML_PATH_ADMIN_ROOT.'install-theme/'.$theme['dirname'].'">'.$L->g('Activate').'</a>';
+	if ($theme['dirname']!=$Site->theme()) {
+		echo '<a href="'.HTML_PATH_ADMIN_ROOT.'install-theme/'.$theme['dirname'].'">'.$L->g('Activate').'</a>';
 	}
 
 	echo '
-	</div>
-	</td>';
+			</div>
+		</td>
+	';
 
-	echo '<td>';
+	echo '<td class="align-middle">';
 	echo $theme['description'];
 	echo '</td>';
 
-	echo '<td class="uk-text-center">';
-	// if( !$theme['compatible'] ) {
-	// 	echo '<i class="uk-icon-exclamation-triangle incompatible-warning" title="'.$L->g('This theme may not be supported by this version of Bludit').'"></i>';
-	// }
-	echo $theme['version'];
+	echo '<td class="text-center align-middle d-none d-lg-table-cell">';
+		echo '<span>'.$theme['version'].'</span>';
 	echo '</td>';
 
-	echo '<td class="uk-text-center"><a targe="_blank" href="'.$theme['website'].'">'.$theme['author'].'</a></td>';
+	echo '<td class="text-center align-middle d-none d-lg-table-cell">
+		<a target="_blank" href="'.$theme['website'].'">'.$theme['author'].'</a>
+	</td>';
 
 	echo '</tr>';
 }
 
 echo '
-</tbody>
+	</tbody>
 </table>
 ';
\ No newline at end of file
diff --git a/bl-kernel/admin/views/users.php b/bl-kernel/admin/views/users.php
index 8c1d6121..3aa54d6c 100644
--- a/bl-kernel/admin/views/users.php
+++ b/bl-kernel/admin/views/users.php
@@ -13,12 +13,12 @@ echo '
 	<thead>
 		<tr>
 			<th class="border-bottom-0" scope="col">'.$L->g('Username').'</th>
-			<th class="border-bottom-0" scope="col">'.$L->g('First name').'</th>
-			<th class="border-bottom-0" scope="col">'.$L->g('Last name').'</th>
+			<th class="border-bottom-0 d-none d-lg-table-cell" scope="col">'.$L->g('First name').'</th>
+			<th class="border-bottom-0 d-none d-lg-table-cell" scope="col">'.$L->g('Last name').'</th>
 			<th class="border-bottom-0" scope="col">'.$L->g('Email').'</th>
 			<th class="border-bottom-0" scope="col">'.$L->g('Status').'</th>
 			<th class="border-bottom-0" scope="col">'.$L->g('Role').'</th>
-			<th class="border-bottom-0" scope="col">'.$L->g('Registered').'</th>
+			<th class="border-bottom-0 d-none d-lg-table-cell" scope="col">'.$L->g('Registered').'</th>
 		</tr>
 	</thead>
 	<tbody>
@@ -28,12 +28,12 @@ $users = $dbUsers->getAllUsers();
 foreach ($users as $username=>$User) {
 	echo '<tr>';
 	echo '<td><a href="'.HTML_PATH_ADMIN_ROOT.'edit-user/'.$username.'">'.$username.'</a></td>';
-	echo '<td>'.$User->firstName().'</td>';
-	echo '<td>'.$User->lastName().'</td>';
+	echo '<td class="d-none d-lg-table-cell">'.$User->firstName().'</td>';
+	echo '<td class="d-none d-lg-table-cell">'.$User->lastName().'</td>';
 	echo '<td>'.$User->email().'</td>';
-	echo '<td class="uk-text-center">'.($User->enabled()?'<b>'.$L->g('Enabled').'</b>':$L->g('Disabled')).'</td>';
-	echo '<td class="uk-text-center">'.($User->role()=='admin'?$L->g('Administrator'):$L->g('Editor')).'</td>';
-	echo '<td class="uk-text-center">'.Date::format($User->registered(), DB_DATE_FORMAT, ADMIN_PANEL_DATE_FORMAT).'</td>';
+	echo '<td>'.($User->enabled()?'<b>'.$L->g('Enabled').'</b>':$L->g('Disabled')).'</td>';
+	echo '<td>'.($User->role()=='admin'?$L->g('Administrator'):$L->g('Editor')).'</td>';
+	echo '<td class="d-none d-lg-table-cell">'.Date::format($User->registered(), DB_DATE_FORMAT, ADMIN_PANEL_DATE_FORMAT).'</td>';
 	echo '</tr>';
 }
 
diff --git a/bl-kernel/category.class.php b/bl-kernel/category.class.php
index 87dca557..2a09d95b 100644
--- a/bl-kernel/category.class.php
+++ b/bl-kernel/category.class.php
@@ -10,6 +10,7 @@ class Category {
 
 		if (isset($dbCategories->db[$key])) {
 			$this->vars['name'] 		= $dbCategories->db[$key]['name'];
+			$this->vars['template'] 	= $dbCategories->db[$key]['template'];
 			$this->vars['key'] 		= $key;
 			$this->vars['permalink'] 	= DOMAIN_CATEGORIES . $key;
 			$this->vars['list'] 		= $dbCategories->db[$key]['list'];
@@ -48,9 +49,14 @@ class Category {
 		return $this->getValue('permalink');
 	}
 
+	public function template()
+	{
+		return $this->getValue('template');
+	}
+
 	// Returns an array with the keys of pages linked to the category
 	public function pages()
 	{
 		return $this->getValue('list');
 	}
-}
\ No newline at end of file
+}
diff --git a/bl-kernel/dbusers.class.php b/bl-kernel/dbusers.class.php
index a64b2a61..5560630c 100644
--- a/bl-kernel/dbusers.class.php
+++ b/bl-kernel/dbusers.class.php
@@ -47,18 +47,15 @@ class dbUsers extends dbJSON
 		$dataForDb = array();
 
 		// Verify arguments with the database fields
-		foreach($this->dbFields as $field=>$options) {
-			if( isset($args[$field]) ) {
+		foreach ($this->dbFields as $field=>$options) {
+			if (isset($args[$field])) {
 				$value = Sanitize::html($args[$field]);
-			}
-			else {
+			} else {
 				$value = $options['value'];
 			}
 
 			// Set type
 			settype($value, gettype($options['value']));
-
-			// Save on database
 			$dataForDb[$field] = $value;
 		}
 
diff --git a/bl-kernel/functions.php b/bl-kernel/functions.php
index b408e96b..3c669e00 100644
--- a/bl-kernel/functions.php
+++ b/bl-kernel/functions.php
@@ -601,25 +601,25 @@ function createUser($args) {
 	global $syslog;
 
 	// Check empty username
-	if( Text::isEmpty($args['new_username']) ) {
+	if (Text::isEmpty($args['new_username'])) {
 		Alert::set($Language->g('username-field-is-empty'), ALERT_STATUS_FAIL);
 		return false;
 	}
 
 	// Check already exist username
-	if( $dbUsers->exists($args['new_username']) ) {
+	if ($dbUsers->exists($args['new_username'])) {
 		Alert::set($Language->g('username-already-exists'), ALERT_STATUS_FAIL);
 		return false;
 	}
 
 	// Password length
-	if( Text::length($args['new_password']) < PASSWORD_LENGTH ) {
+	if (Text::length($args['new_password']) < PASSWORD_LENGTH) {
 		Alert::set($Language->g('Password must be at least '.PASSWORD_LENGTH.' characters long'), ALERT_STATUS_FAIL);
 		return false;
 	}
 
 	// Check new password and confirm password are equal
-	if( $args['new_password'] != $args['confirm_password'] ) {
+	if ($args['new_password'] != $args['confirm_password']) {
 		Alert::set($Language->g('The password and confirmation password do not match'), ALERT_STATUS_FAIL);
 		return false;
 	}
@@ -632,7 +632,7 @@ function createUser($args) {
 	$tmp['email']	 = $args['email'];
 
 	// Add the user to the database
-	if( $dbUsers->add($tmp) ) {
+	if ($dbUsers->add($tmp)) {
 		// Add to syslog
 		$syslog->add(array(
 			'dictionaryKey'=>'new-user-created',
@@ -717,7 +717,7 @@ function createCategory($category) {
 		return false;
 	}
 
-	if ($dbCategories->add($category)) {
+	if ($dbCategories->add(array('name'=>$category))) {
 		$syslog->add(array(
 			'dictionaryKey'=>'new-category-created',
 			'notes'=>$category
@@ -737,18 +737,12 @@ function editCategory($args) {
 	global $dbCategories;
 	global $syslog;
 
-	if (Text::isEmpty($args['categoryName']) || Text::isEmpty($args['categoryKey']) ) {
+	if (Text::isEmpty($args['name']) || Text::isEmpty($args['newKey']) ) {
 		Alert::set($Language->g('Empty fields'));
 		return false;
 	}
 
-	if ($args['oldCategoryKey']!==$args['categoryKey']) {
-		// Edit the category key and keep the category name
-		$newCategoryKey = $dbCategories->changeKey($args['oldCategoryKey'], $args['categoryKey']);
-	} else {
-		// Edit the category name
-		$newCategoryKey = $dbCategories->edit($args['oldCategoryKey'], $args['categoryName']);
-	}
+	$newCategoryKey = $dbCategories->edit($args);
 
 	if ($newCategoryKey==false) {
 		Alert::set($Language->g('The category already exists'));
@@ -756,7 +750,7 @@ function editCategory($args) {
 	}
 
 	// Change the category key in the pages database
-	$dbPages->changeCategory($args['oldCategoryKey'], $newCategoryKey);
+	$dbPages->changeCategory($args['oldKey'], $newCategoryKey);
 
 	$syslog->add(array(
 		'dictionaryKey'=>'category-edited',
diff --git a/bl-kernel/page.class.php b/bl-kernel/page.class.php
index cc4d0b61..b2c654d8 100644
--- a/bl-kernel/page.class.php
+++ b/bl-kernel/page.class.php
@@ -216,6 +216,12 @@ class Page {
 		return $this->categoryMap('name');
 	}
 
+	// Returns the category name
+	public function categoryTemplate()
+	{
+		return $this->categoryMap('template');
+	}
+
 	// Returns the category key
 	public function categoryKey()
 	{