diff --git a/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/matthiasmullie/minify/bin/minifycss b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/matthiasmullie/minify/bin/minifycss
new file mode 100755
index 0000000..6a681a8
--- /dev/null
+++ b/mailcow/src/mailcow-dockerized/data/web/inc/lib/vendor/matthiasmullie/minify/bin/minifycss
@@ -0,0 +1,45 @@
+#!/usr/bin/env php
+<?php
+use MatthiasMullie\Minify;
+
+// command line utility to minify CSS
+if (file_exists(__DIR__ . '/../../../autoload.php')) {
+    // if composer install
+    require_once __DIR__ . '/../../../autoload.php';
+} else {
+    require_once __DIR__ . '/../src/Minify.php';
+    require_once __DIR__ . '/../src/CSS.php';
+    require_once __DIR__ . '/../src/Exception.php';
+}
+
+error_reporting(E_ALL);
+// check PHP setup for cli arguments
+if (!isset($_SERVER['argv']) && !isset($argv)) {
+    fwrite(STDERR, 'Please enable the "register_argc_argv" directive in your php.ini' . PHP_EOL);
+    exit(1);
+} elseif (!isset($argv)) {
+    $argv = $_SERVER['argv'];
+}
+// check if path to file given
+if (!isset($argv[1])) {
+    fwrite(STDERR, 'Argument expected: path to file' . PHP_EOL);
+    exit(1);
+}
+// check if script run in cli environment
+if ('cli' !== php_sapi_name()) {
+    fwrite(STDERR, $argv[1] . ' must be run in the command line' . PHP_EOL);
+    exit(1);
+}
+// check if source file exists
+if (!file_exists($argv[1])) {
+    fwrite(STDERR, 'Source file "' . $argv[1] . '" not found' . PHP_EOL);
+    exit(1);
+}
+
+try {
+    $minifier = new Minify\CSS($argv[1]);
+    echo $minifier->minify();
+} catch (Exception $e) {
+    fwrite(STDERR, $e->getMessage(), PHP_EOL);
+    exit(1);
+}