diff --git a/composer.json b/composer.json
index bd4b264..03a5c2b 100644
--- a/composer.json
+++ b/composer.json
@@ -52,8 +52,8 @@
         ]
     },
     "scripts-descriptions": {
-        "csfix": "Runs Pint to fix project files.",
-        "csfix-review": "Runs Pint to show the details of which files are out of code standard."
+        "csfix": "Runs Pint to fix code style.",
+        "csfix-review": "Runs Pint to show the code style review."
     },
     "minimum-stability": "dev",
     "prefer-stable": true
diff --git a/pint.json b/pint.json
index c781933..58e569c 100644
--- a/pint.json
+++ b/pint.json
@@ -1,3 +1,3 @@
 {
-    "preset": "psr12"
+    "preset": "per"
 }
\ No newline at end of file
diff --git a/readme.md b/readme.md
index b119598..01758b1 100644
--- a/readme.md
+++ b/readme.md
@@ -131,7 +131,9 @@ This command will use the generated files from the `ibis-next build` command to
 
 ## Development
 
-This project uses PHP CS Fixer with a code standard defined in `.php_cs`.
+This project uses Laravel Pint to fix the code style according to `per` preset.
+The `pint.json` file defines the Laravel Pint configuration.
+Laravel Pint is built on top of the great tool PHP-CS-Fixer.
 
 To review code out of style, you can run the fix command as a dry run.  Run the composer script like this:
 
diff --git a/src/Commands/BuildCommand.php b/src/Commands/BuildCommand.php
index f89bd5f..f60e29d 100644
--- a/src/Commands/BuildCommand.php
+++ b/src/Commands/BuildCommand.php
@@ -85,7 +85,7 @@ public function execute(InputInterface $input, OutputInterface $output): int
         $theme = $this->getTheme($currentPath, $this->themeName);
 
         $this->buildPdf(
-            $this->buildHtml($currentPath.'/content', $config),
+            $this->buildHtml($currentPath . '/content', $config),
             $config,
             $currentPath,
             $theme
@@ -104,9 +104,9 @@ protected function ensureExportDirectoryExists(string $currentPath): void
     {
         $this->output->writeln('<fg=yellow>==></> Preparing Export Directory ...');
 
-        if (!$this->disk->isDirectory($currentPath.'/export')) {
+        if (!$this->disk->isDirectory($currentPath . '/export')) {
             $this->disk->makeDirectory(
-                $currentPath.'/export',
+                $currentPath . '/export',
                 0755,
                 true
             );
@@ -216,7 +216,7 @@ protected function buildPdf(Collection $chapters, array $config, string $current
             'margin_right' => $config['document']['margin_right'] ?? 27,
             'margin_bottom' => $config['document']['margin_bottom'] ?? 14,
             'margin_top' => $config['document']['margin_top'] ?? 14,
-            'fontDir' => array_merge($fontDirs, [getcwd().'/assets/fonts']),
+            'fontDir' => array_merge($fontDirs, [getcwd() . '/assets/fonts']),
             'fontdata' => $this->fonts($config, $fontData),
         ]);
 
@@ -238,7 +238,7 @@ protected function buildPdf(Collection $chapters, array $config, string $current
         if (key_exists("image", $config['cover'])) {
             $coverImage = $config['cover']['image'];
         }
-        if ($this->disk->isFile($currentPath.'/assets/' . $coverImage)) {
+        if ($this->disk->isFile($currentPath . '/assets/' . $coverImage)) {
             $this->output->writeln('<fg=yellow>==></> Adding Book Cover ...');
 
             $coverPosition = $config['cover']['position'] ?? 'position: absolute; left:0; right: 0; top: -.2; bottom: 0;';
@@ -253,10 +253,10 @@ protected function buildPdf(Collection $chapters, array $config, string $current
             );
 
             $pdf->AddPage();
-        } elseif ($this->disk->isFile($currentPath.'/assets/cover.html')) {
+        } elseif ($this->disk->isFile($currentPath . '/assets/cover.html')) {
             $this->output->writeln('<fg=yellow>==></> Adding Book Cover ...');
 
-            $cover = $this->disk->get($currentPath.'/assets/cover.html');
+            $cover = $this->disk->get($currentPath . '/assets/cover.html');
 
             $pdf->WriteHTML($cover);
 
@@ -274,7 +274,7 @@ protected function buildPdf(Collection $chapters, array $config, string $current
         );
 
         foreach ($chapters as $key => $chapter) {
-            $this->output->writeln('<fg=yellow>==></> ❇️ '.$chapter["mdfile"].' ...');
+            $this->output->writeln('<fg=yellow>==></> ❇️ ' . $chapter["mdfile"] . ' ...');
             if (array_key_exists('header', $config)) {
                 $pdf->SetHTMLHeader(
                     '
@@ -291,10 +291,10 @@ protected function buildPdf(Collection $chapters, array $config, string $current
         $this->output->writeln('<fg=yellow>==></> Writing PDF To Disk ...');
 
         $this->output->writeln('');
-        $this->output->writeln('✨✨ '.$pdf->page.' PDF pages ✨✨');
+        $this->output->writeln('✨✨ ' . $pdf->page . ' PDF pages ✨✨');
 
         $pdf->Output(
-            $currentPath.'/export/'.Ibis::outputFileName().'-'.$this->themeName.'.pdf'
+            $currentPath . '/export/' . Ibis::outputFileName() . '-' . $this->themeName . '.pdf'
         );
     }
 
@@ -306,7 +306,7 @@ protected function buildPdf(Collection $chapters, array $config, string $current
      */
     private function getTheme($currentPath, $themeName)
     {
-        return $this->disk->get($currentPath."/assets/theme-$themeName.html");
+        return $this->disk->get($currentPath . "/assets/theme-$themeName.html");
     }
 
     /**
diff --git a/src/Commands/InitCommand.php b/src/Commands/InitCommand.php
index ce252af..5b1e293 100644
--- a/src/Commands/InitCommand.php
+++ b/src/Commands/InitCommand.php
@@ -47,7 +47,7 @@ public function execute(InputInterface $input, OutputInterface $output): int
 
         $currentPath = getcwd();
 
-        if ($this->disk->isDirectory($currentPath.'/assets')) {
+        if ($this->disk->isDirectory($currentPath . '/assets')) {
             $this->output->writeln('');
             $this->output->writeln('<info>Project already initialised!</info>');
 
@@ -55,40 +55,40 @@ public function execute(InputInterface $input, OutputInterface $output): int
         }
 
         $this->disk->makeDirectory(
-            $currentPath.'/assets'
+            $currentPath . '/assets'
         );
 
         $this->disk->makeDirectory(
-            $currentPath.'/assets/fonts'
+            $currentPath . '/assets/fonts'
         );
 
         $this->disk->makeDirectory(
-            $currentPath.'/content'
+            $currentPath . '/content'
         );
 
         $this->disk->copyDirectory(
-            __DIR__.'/../../stubs/content',
-            $currentPath.'/content'
+            __DIR__ . '/../../stubs/content',
+            $currentPath . '/content'
         );
 
         $this->disk->put(
-            $currentPath.'/ibis.php',
-            $this->disk->get(__DIR__.'/../../stubs/ibis.php')
+            $currentPath . '/ibis.php',
+            $this->disk->get(__DIR__ . '/../../stubs/ibis.php')
         );
 
         $this->disk->put(
-            $currentPath.'/assets/cover.jpg',
-            $this->disk->get(__DIR__.'/../../stubs/assets/cover.jpg')
+            $currentPath . '/assets/cover.jpg',
+            $this->disk->get(__DIR__ . '/../../stubs/assets/cover.jpg')
         );
 
         $this->disk->put(
-            $currentPath.'/assets/theme-dark.html',
-            $this->disk->get(__DIR__.'/../../stubs/assets/theme-dark.html')
+            $currentPath . '/assets/theme-dark.html',
+            $this->disk->get(__DIR__ . '/../../stubs/assets/theme-dark.html')
         );
 
         $this->disk->put(
-            $currentPath.'/assets/theme-light.html',
-            $this->disk->get(__DIR__.'/../../stubs/assets/theme-light.html')
+            $currentPath . '/assets/theme-light.html',
+            $this->disk->get(__DIR__ . '/../../stubs/assets/theme-light.html')
         );
 
         $this->output->writeln('');
diff --git a/src/Commands/SampleCommand.php b/src/Commands/SampleCommand.php
index fbbc08d..9ae4783 100644
--- a/src/Commands/SampleCommand.php
+++ b/src/Commands/SampleCommand.php
@@ -49,13 +49,13 @@ public function execute(InputInterface $input, OutputInterface $output): int
 
         $currentPath = getcwd();
 
-        $config = require $currentPath.'/ibis.php';
+        $config = require $currentPath . '/ibis.php';
 
         $mpdf = new \Mpdf\Mpdf();
 
-        $fileName = Ibis::outputFileName().'-'.$input->getArgument('theme');
+        $fileName = Ibis::outputFileName() . '-' . $input->getArgument('theme');
 
-        $mpdf->setSourceFile($currentPath.'/export/'.$fileName.'.pdf');
+        $mpdf->setSourceFile($currentPath . '/export/' . $fileName . '.pdf');
 
         foreach ($config['sample'] as $range) {
             foreach (range($range[0], $range[1]) as $page) {
@@ -66,10 +66,10 @@ public function execute(InputInterface $input, OutputInterface $output): int
             }
         }
 
-        $mpdf->WriteHTML('<p style="text-align: center; font-size: 16px; line-height: 40px;">'.$config['sample_notice'].'</p>');
+        $mpdf->WriteHTML('<p style="text-align: center; font-size: 16px; line-height: 40px;">' . $config['sample_notice'] . '</p>');
 
         $mpdf->Output(
-            $currentPath.'/export/sample-.'.$fileName.'.pdf'
+            $currentPath . '/export/sample-.' . $fileName . '.pdf'
         );
 
         return 0;
diff --git a/src/Commands/SortContentCommand.php b/src/Commands/SortContentCommand.php
index c273e12..a07b0c5 100644
--- a/src/Commands/SortContentCommand.php
+++ b/src/Commands/SortContentCommand.php
@@ -47,7 +47,7 @@ public function execute(InputInterface $input, OutputInterface $output): int
 
         $currentPath = getcwd();
 
-        collect($this->disk->files($currentPath.'/content'))->each(function ($file, $index) use ($currentPath) {
+        collect($this->disk->files($currentPath . '/content'))->each(function ($file, $index) use ($currentPath) {
             $markdown = $this->disk->get(
                 $file->getPathname()
             );
@@ -60,7 +60,7 @@ public function execute(InputInterface $input, OutputInterface $output): int
 
             $this->disk->move(
                 $file->getPathName(),
-                $currentPath.'/content/'.Str::slug($newName).'.md'
+                $currentPath . '/content/' . Str::slug($newName) . '.md'
             );
         });
 
diff --git a/src/Ibis.php b/src/Ibis.php
index fd2c917..c3e153f 100644
--- a/src/Ibis.php
+++ b/src/Ibis.php
@@ -44,7 +44,7 @@ private static function config()
             return static::$config;
         }
 
-        static::$config = require getcwd().'/ibis.php';
+        static::$config = require getcwd() . '/ibis.php';
 
         return static::$config;
     }