diff --git a/_admin.php b/_admin.php
index 022e4f6..bfa4d1f 100644
--- a/_admin.php
+++ b/_admin.php
@@ -10,29 +10,30 @@
 # http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 # -- END LICENSE BLOCK ------------------------------------
 
-if (!defined('DC_CONTEXT_ADMIN')){return;}
+if (!defined('DC_CONTEXT_ADMIN')) {
+	return;
+}
 
-$core->addBehavior('adminBlogPreferencesForm',array('adminSimplyFavicon','adminBlogPreferencesForm'));
-$core->addBehavior('adminBeforeBlogSettingsUpdate',array('adminSimplyFavicon','adminBeforeBlogSettingsUpdate'));
+$core->addBehavior('adminBlogPreferencesForm', ['adminSimplyFavicon', 'adminBlogPreferencesForm']);
+$core->addBehavior('adminBeforeBlogSettingsUpdate', ['adminSimplyFavicon', 'adminBeforeBlogSettingsUpdate']);
 
 class adminSimplyFavicon
 {
-	public static function adminBlogPreferencesForm($core,$blog_settings)
+	public static function adminBlogPreferencesForm($core, $blog_settings)
 	{
 		echo
-		'<fieldset><legend>Favicon</legend>'.
-		'<p><label class="classic">'.
-		form::checkbox('simply_favicon','1',(boolean) $blog_settings->system->simply_favicon).
-		__('Enable "Simply favicon" extension').'</label></p>'.
-		'<p class="form-note">'.
-		__("You must place an image called favicon.png or .jpg or .ico into your blog's public directory.").
-		'</p>'.
-		'</fieldset>';
+		'<div class="fieldset"><h4 id="simply_favicon_params">Favicon</h4>' .
+		'<p><label class="classic">' .
+		form::checkbox('simply_favicon', '1', (boolean) $blog_settings->system->simply_favicon) . 
+		__('Enable "Simply favicon" extension') . '</label></p>' .
+		'<p class="form-note">' .
+		__("You must place an image called favicon.png or .jpg or .ico into your blog's public directory.") .
+		'</p>' .
+		'</div>';
 	}
 	
 	public static function adminBeforeBlogSettingsUpdate($blog_settings)
 	{
-		$blog_settings->system->put('simply_favicon',!empty($_POST['simply_favicon']));
+		$blog_settings->system->put('simply_favicon', !empty($_POST['simply_favicon']));
 	}
 }
-?>
\ No newline at end of file
diff --git a/_define.php b/_define.php
index e612ca7..5656aae 100644
--- a/_define.php
+++ b/_define.php
@@ -10,7 +10,9 @@
 # http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 # -- END LICENSE BLOCK ------------------------------------
 
-if (!defined('DC_RC_PATH')){return;}
+if (!defined('DC_RC_PATH')){
+	return;
+}
  
 $this->registerModule(
 	/* Name */			"Simply favicon",
@@ -19,4 +21,3 @@ $this->registerModule(
 	/* Version */			'2021.08.15',
 	/* Permissions */		'admin'
 );
-?>
diff --git a/_prepend.php b/_prepend.php
index 607583e..f0b9b74 100644
--- a/_prepend.php
+++ b/_prepend.php
@@ -10,9 +10,10 @@
 # http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 # -- END LICENSE BLOCK ------------------------------------
 
-if (!defined('DC_RC_PATH')){return;}
+if (!defined('DC_RC_PATH')){
+	return;
+}
 
-$__autoload['publicSimplyFavicon'] = dirname(__FILE__).'/_public.php';
+$__autoload['publicSimplyFavicon'] = dirname(__FILE__) . '/_public.php';
 
-$core->url->register('simplyFavicon','favicon','^favicon.(.*?)$',array('publicSimplyFavicon','simplyFaviconUrl'));
-?>
\ No newline at end of file
+$core->url->register('simplyFavicon', 'favicon', '^favicon.(.*?)$', ['publicSimplyFavicon', 'simplyFaviconUrl']);
diff --git a/_public.php b/_public.php
index 2fa19dc..d9fe748 100644
--- a/_public.php
+++ b/_public.php
@@ -10,9 +10,11 @@
 # http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
 # -- END LICENSE BLOCK ------------------------------------
 
-if (!defined('DC_RC_PATH')){return;}
+if (!defined('DC_RC_PATH')){
+	return;
+}
 
-$core->addBehavior('publicHeadContent',array('publicSimplyFavicon','publicHeadContent'));
+$core->addBehavior('publicHeadContent', ['publicSimplyFavicon','publicHeadContent']);
 
 class publicSimplyFavicon extends dcUrlHandlers
 {
@@ -30,52 +32,53 @@ class publicSimplyFavicon extends dcUrlHandlers
 		global $core;
 		
 		$mimetypes = self::$mimetypes;
-		$public_path = path::real(path::fullFromRoot((string) $core->blog->settings->public_path,DC_ROOT)).'/favicon.';
+		$public_path = path::real(path::fullFromRoot((string) $core->blog->settings->public_path, DC_ROOT)) . '/favicon.';
 
 		if (!$core->blog->settings->system->simply_favicon 
 		 || empty($arg) 
-		 || !array_key_exists($arg,$mimetypes) 
-		 || file_exists($public_path.'favicon'.$arg)
+		 || !array_key_exists($arg, $mimetypes) 
+		 || file_exists($public_path . 'favicon' . $arg)
 		) {
-			throw new Exception ("Page not found",404); 
+			throw new Exception ("Page not found", 404); 
 		}
 		else {
-			header('Content-Type: '.$mimetypes[$arg].';');
-			readfile($public_path.$arg);
+			header('Content-Type: ' . $mimetypes[$arg] . ';');
+			readfile($public_path . $arg);
 			exit;
 		}
 	}
 	
 	public static function publicHeadContent($core)
 	{
-		if (!$core->blog->settings->system->simply_favicon){return;}
+		if (!$core->blog->settings->system->simply_favicon){
+			return;
+		}
 		
 		$mimetypes = self::$mimetypes;
-		$public_path = path::real(path::fullFromRoot((string) $core->blog->settings->public_path,DC_ROOT)).'/favicon.';
-		$public_url = $core->blog->url.$core->url->getBase('simplyFavicon').'.';
+		$public_path = path::real(path::fullFromRoot((string) $core->blog->settings->public_path, DC_ROOT)) . '/favicon.';
+		$public_url = $core->blog->url.$core->url->getBase('simplyFavicon') . '.';
 		
 		// ico : IE6
-		if (file_exists($public_path.'ico') && '?' != substr($core->blog->url,-1)) {
+		if (file_exists($public_path . 'ico') && '?' != substr($core->blog->url, -1)) {
 			echo 
-			'<link rel="SHORTCUT ICON" type="image/x-icon" href="'.$public_url.'ico" />'."\n";
+			'<link rel="SHORTCUT ICON" type="image/x-icon" href="' . $public_url . 'ico" />' . "\n";
 		}
 		// png: apple and others
-		if (file_exists($public_path.'png')) {
+		if (file_exists($public_path . 'png')) {
 			echo 
-			'<link rel="apple-touch-icon" href="'.$public_url.'png" />'."\n".
-			'<link rel="icon" type="image/png" href="'.$public_url.'png" />'."\n";
+			'<link rel="apple-touch-icon" href="' . $public_url . 'png" />' . "\n" .
+			'<link rel="icon" type="image/png" href="' . $public_url . 'png" />' . "\n";
 		}
 		// all others
 		else {
 			foreach($mimetypes as $ext => $mime)
 			{
-				if (file_exists($public_path.$ext)) {
+				if (file_exists($public_path . $ext)) {
 					echo
-					'<link rel="icon" type="'.$mime.'" href="'.$public_url.$ext.'" />'."\n";
+					'<link rel="icon" type="' . $mime . '" href="' . $public_url . $ext . '" />' . "\n";
 					break;
 				}
 			}
 		}
 	}
 }
-?>