Formatting and fixed link for backend css

src/Resources/contao/config/config.php

@@ -13,8 +13,5 @@
  */
 
 array_insert($GLOBALS['BE_MOD']['accounts'], 4, [
-    'user2group_viewer' => [
-        'callback' => 'MartinKozianka\User2Group\ModuleUser2Group',
-        'icon' => 'system/themes/default/images/group.gif',
-    ],
+    'user2group_viewer' => ['callback' => 'MartinKozianka\User2Group\ModuleUser2Group'],
 ]);

src/Resources/contao/languages/de/default.php

@@ -1,3 +1,3 @@
 <?php
 
-$GLOBALS['TL_LANG']['MSC']['user2group_no_groups']   = "Es sind keine Guppen definiert.";
+$GLOBALS['TL_LANG']['MSC']['user2group_no_groups'] = "Es sind keine Guppen definiert.";

src/Resources/contao/languages/de/modules.php

@@ -1,3 +1,3 @@
 <?php
 
-$GLOBALS['TL_LANG']['MOD']['user2group_viewer']    = ['Gruppenübersicht', 'Welche Benutzer sind in den verschiedenen Gruppen'];
+$GLOBALS['TL_LANG']['MOD']['user2group_viewer'] = ['Gruppenübersicht', 'Welche Benutzer sind in den verschiedenen Gruppen'];

src/Resources/contao/languages/en/default.php

@@ -1,3 +1,3 @@
 <?php
 
-$GLOBALS['TL_LANG']['MSC']['user2group_no_groups']    = "No groups defined.";
+$GLOBALS['TL_LANG']['MSC']['user2group_no_groups'] = "No groups defined.";

src/Resources/contao/languages/en/modules.php

@@ -1,3 +1,3 @@
 <?php
 
-$GLOBALS['TL_LANG']['MOD']['user2group_viewer']        = ['Groups Overview', 'Overview for users and user groups'];
+$GLOBALS['TL_LANG']['MOD']['user2group_viewer'] = ['Groups Overview', 'Overview for users and user groups'];

src/Resources/contao/modules/ModuleUser2Group.php

@@ -32,7 +32,7 @@ protected function compile()
     {
         $this->loadLanguageFile('tl_user');
 
-        $GLOBALS['TL_CSS'][] = 'system/modules/user2group/assets/user2group.css';
+        $GLOBALS['TL_CSS'][] = 'bundles/martinkoziankauser2group/user2group.css';
 
         $label['group'] = $GLOBALS['TL_LANG']['tl_user']['groups'][0];
         $label['user'] = $GLOBALS['TL_LANG']['tl_user']['name'][0];