diff --git a/examples/container_label_debug.php b/examples/container_label_debug.php
new file mode 100644
index 0000000..5f4f5cd
--- /dev/null
+++ b/examples/container_label_debug.php
@@ -0,0 +1,27 @@
+<?php
+
+declare(strict_types=1);
+
+require_once __DIR__ . '/../vendor/autoload.php';
+
+use PHPNative\Framework\Application;
+use PHPNative\Ui\Widget\Container;
+use PHPNative\Ui\Widget\Label;
+use PHPNative\Ui\Window;
+
+$app = new Application();
+$window = new Window('Container Label Debug', 600, 400);
+
+// Root with neutral background
+$root = new Container('flex items-center justify-center bg-gray-100');
+
+// Simple box with border and a single label
+$box = new Container('bg-white border border-black rounded-lg p-4');
+$box->addComponent(new Label('DEBUG: Label im Container', 'text-lg text-black'));
+
+$root->addComponent($box);
+
+$window->setRoot($root);
+$app->addWindow($window);
+$app->run();
+
diff --git a/examples/kanban_app.php b/examples/kanban_app.php
index acf0db1..9997cfc 100644
--- a/examples/kanban_app.php
+++ b/examples/kanban_app.php
@@ -27,7 +27,6 @@ final class KanbanTaskCard extends Container
         }
     }
 
-    #[\Override]
     public function handleMouseClick(float $mouseX, float $mouseY, int $button): bool
     {
         if ($button !== 1) {
@@ -42,22 +41,18 @@ final class KanbanTaskCard extends Container
 final class KanbanBoardView extends Container
 {
     private array $boards;
-    private Container $columnsContainer;
     private array $boardViews = [];
-    private ?array $dragState = null;
-    private ?string $hoverBoardId = null;
+    private null|array $dragState = null;
+    private null|string $hoverBoardId = null;
 
     public function __construct(
         private readonly string $storagePath,
         array $initialBoards,
         private readonly Label $statusLabel,
     ) {
-        parent::__construct('flex flex-col flex-1 overflow-hidden');
+        parent::__construct('flex flex-row gap-4 flex-1');
         $this->boards = $initialBoards;
 
-        $this->columnsContainer = new Container('flex flex-row gap-4 overflow-auto flex-1 pb-3');
-        $this->addComponent($this->columnsContainer);
-
         $this->renderBoards();
     }
 
@@ -115,7 +110,6 @@ final class KanbanBoardView extends Container
         $this->statusLabel->setText('Verschiebe: ' . $task['title']);
     }
 
-    #[\Override]
     public function handleMouseMove(float $mouseX, float $mouseY): void
     {
         parent::handleMouseMove($mouseX, $mouseY);
@@ -136,7 +130,6 @@ final class KanbanBoardView extends Container
         }
     }
 
-    #[\Override]
     public function handleMouseRelease(float $mouseX, float $mouseY, int $button): void
     {
         parent::handleMouseRelease($mouseX, $mouseY, $button);
@@ -151,63 +144,47 @@ final class KanbanBoardView extends Container
 
     private function renderBoards(): void
     {
-        $this->columnsContainer->clearChildren();
+        $this->clearChildren();
         $this->boardViews = [];
 
         foreach ($this->boards as $board) {
-            $colorHex = substr(md5($board['id']), 0, 6);
-            $defaultStyle = 'flex flex-col w-[260] flex-none border border-gray-400 rounded-lg p-3 gap-3 shadow-sm bg-[#' . $colorHex . ']';
-            $highlightStyle = 'flex flex-col w-[260] flex-none bg-blue-50 border-2 border-blue-500 rounded-lg p-3 gap-3 shadow';
+            $style = 'flex flex-col w-[260] flex-none bg-white border border-black rounded-lg p-3 gap-2';
 
-            $debugInfo = new Label(sprintf(
-                "Board %s\nID: %s\nTasks: %d",
-                $board['title'],
-                $board['id'],
-                count($board['tasks']),
-            ), 'text-xs text-black whitespace-pre-wrap');
+            $column = new Container($style);
+            $column->addComponent(new Label('Board: ' . $board['title'], 'text-lg font-bold text-black'));
 
-            $column = new Container($defaultStyle);
-            $header = new Container('flex flex-col gap-1 bg-white/80 rounded p-2 shadow-inner');
-            $header->addComponent(new Label($board['title'], 'text-lg font-semibold text-black'));
-            $header->addComponent(new Label(count($board['tasks']) . ' Aufgaben', 'text-xs text-gray-500'));
-            $header->addComponent($debugInfo);
-            $column->addComponent($header);
+            $taskTitles = array_map(static fn($t) => $t['title'], $board['tasks']);
+            $tasksText = empty($taskTitles) ? '(keine Aufgaben)' : implode(', ', $taskTitles);
+            $column->addComponent(new Label('Tasks: ' . $tasksText, 'text-xs text-black'));
 
-            $taskList = new Container('flex flex-col gap-2');
-            foreach ($board['tasks'] as $task) {
-                $taskList->addComponent(new KanbanTaskCard($board['id'], $task, $this));
+            if (!empty($board['tasks'])) {
+                $taskList = new Container('flex flex-col gap-2 mt-2');
+                foreach ($board['tasks'] as $task) {
+                    $card = new Container('bg-white border-2 border-gray-400 rounded px-2 py-1 shadow-md');
+                    $card->addComponent(new Label($task['title'], 'text-sm text-black'));
+                    $taskList->addComponent($card);
+                }
+                $column->addComponent($taskList);
             }
-            $column->addComponent($taskList);
 
-            $addInput = new TextInput('Neue Aufgabe', 'flex-1 border border-gray-300 rounded px-2 py-1 bg-white text-black text-sm');
-            $addButton = new Button('Hinzufügen', 'px-2 py-1 bg-emerald-500 text-white rounded hover:bg-emerald-600 text-sm');
-            $addButton->setOnClick(function () use ($board, $addInput): void {
-                $this->addTask($board['id'], $addInput->getValue());
-                $addInput->setValue('');
-            });
-            $addRow = new Container('flex flex-row gap-2');
-            $addRow->addComponent($addInput);
-            $addRow->addComponent($addButton);
-            $column->addComponent($addRow);
-
-            $this->columnsContainer->addComponent($column);
+            $this->addComponent($column);
             $this->boardViews[$board['id']] = [
                 'column' => $column,
-                'defaultStyle' => $defaultStyle,
-                'highlightStyle' => $highlightStyle,
+                'defaultStyle' => $style,
+                'highlightStyle' => $style,
             ];
         }
     }
 
-    private function findBoardAt(float $mouseX, float $mouseY): ?string
+    private function findBoardAt(float $mouseX, float $mouseY): null|string
     {
         foreach ($this->boardViews as $boardId => $info) {
             $viewport = $info['column']->getViewport();
             if (
                 $mouseX >= $viewport->x &&
-                $mouseX <= ($viewport->x + $viewport->width) &&
-                $mouseY >= $viewport->y &&
-                $mouseY <= ($viewport->y + $viewport->height)
+                    $mouseX <= ($viewport->x + $viewport->width) &&
+                    $mouseY >= $viewport->y &&
+                    $mouseY <= ($viewport->y + $viewport->height)
             ) {
                 return $boardId;
             }
@@ -227,7 +204,7 @@ final class KanbanBoardView extends Container
         $column->setStyle($style);
     }
 
-    private function completeDrag(?string $targetBoardId): void
+    private function completeDrag(null|string $targetBoardId): void
     {
         $state = $this->dragState;
         $this->dragState = null;
@@ -279,7 +256,11 @@ final class KanbanBoardView extends Container
         $this->saveBoards();
         $this->renderBoards();
 
-        $this->statusLabel->setText(sprintf('"%s" nach "%s" verschoben.', $movedTask['title'], $this->getBoardTitle($targetBoardId)));
+        $this->statusLabel->setText(sprintf(
+            '"%s" nach "%s" verschoben.',
+            $movedTask['title'],
+            $this->getBoardTitle($targetBoardId),
+        ));
     }
 
     private function getBoardTitle(string $boardId): string
@@ -339,11 +320,7 @@ if (empty($boards)) {
             ],
         ],
     ];
-    file_put_contents(
-        $storagePath,
-        json_encode($boards, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE),
-        LOCK_EX,
-    );
+    file_put_contents($storagePath, json_encode($boards, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE), LOCK_EX);
 }
 
 $app = new Application();
@@ -352,7 +329,10 @@ $window = new Window('Kanban Beispiel', 1200, 800);
 $root = new Container('flex flex-col h-full w-full bg-gray-100 gap-4 p-4');
 
 $title = new Label('Kanban Board', 'text-3xl font-bold text-black');
-$subTitle = new Label('Boards hinzufügen, Aufgaben erstellen und per Drag & Drop verschieben.', 'text-base text-gray-700');
+$subTitle = new Label(
+    'Boards hinzufügen, Aufgaben erstellen und per Drag & Drop verschieben.',
+    'text-base text-gray-700',
+);
 $root->addComponent($title);
 $root->addComponent($subTitle);
 
diff --git a/examples/kanban_data.json b/examples/kanban_data.json
index 44623e4..ae9b83a 100644
--- a/examples/kanban_data.json
+++ b/examples/kanban_data.json
@@ -36,5 +36,10 @@
                 "note": ""
             }
         ]
+    },
+    {
+        "id": "board_69170bcc2be8c6.34720864",
+        "title": "asd",
+        "tasks": []
     }
 ]
\ No newline at end of file
diff --git a/kanban.png b/kanban.png
deleted file mode 100644
index 6fd0180..0000000
Binary files a/kanban.png and /dev/null differ
diff --git a/test_scroll.php b/test_scroll.php
deleted file mode 100644
index dcc7959..0000000
--- a/test_scroll.php
+++ /dev/null
@@ -1,36 +0,0 @@
-<?php
-
-require_once __DIR__ . '/vendor/autoload.php';
-
-use PHPNative\Framework\Application;
-use PHPNative\Ui\Widget\Container;
-use PHPNative\Ui\Widget\Label;
-use PHPNative\Ui\Window;
-
-$app = new Application();
-$window = new Window('Scroll Test', 400, 300);
-
-// Main container
-$mainContainer = new Container('flex flex-col bg-white');
-
-// Create a scrollable container with fixed height
-$scrollContainer = new Container('flex flex-col w-full h-48 overflow-auto bg-gray-100 border-2 border-red-500');
-
-// Add many labels to force scrolling
-for ($i = 1; $i <= 30; $i++) {
-    $label = new Label("Item $i", 'px-4 py-2 border-b border-gray-300 text-black bg-white');
-    $scrollContainer->addComponent($label);
-}
-
-$mainContainer->addComponent(new Label('Scroll Test (red box should be scrollable)', 'text-xl font-bold p-4 text-black'));
-$mainContainer->addComponent($scrollContainer);
-$mainContainer->addComponent(new Label('Try scrolling with mouse wheel over the red box', 'p-4 text-black'));
-
-$window->setRoot($mainContainer);
-$app->addWindow($window);
-
-echo "Scroll Test started!\n";
-echo "- Red box should show scrollbar\n";
-echo "- Try scrolling with mouse wheel\n\n";
-
-$app->run();
diff --git a/test_table_scroll.php b/test_table_scroll.php
deleted file mode 100644
index fdad984..0000000
--- a/test_table_scroll.php
+++ /dev/null
@@ -1,44 +0,0 @@
-<?php
-
-require_once __DIR__ . '/vendor/autoload.php';
-
-use PHPNative\Framework\Application;
-use PHPNative\Ui\Widget\Container;
-use PHPNative\Ui\Widget\Table;
-use PHPNative\Ui\Window;
-
-$app = new Application();
-$window = new Window('Table Scroll Test', 800, 600);
-
-// Simple container with limited height
-$mainContainer = new Container('flex flex-col bg-gray-100 p-4');
-
-// Table with max height
-$table = new Table('h-96'); // 384px max height
-$table->setColumns([
-    ['key' => 'id', 'title' => 'ID', 'width' => 100],
-    ['key' => 'name', 'title' => 'Name', 'width' => 400],
-    ['key' => 'status', 'title' => 'Status', 'width' => 120],
-]);
-
-// Test data with 63 entries (same as your example)
-$testData = [];
-for ($i = 1; $i <= 63; $i++) {
-    $testData[] = [
-        'id' => $i,
-        'name' => "Server-{$i}",
-        'status' => ($i % 3 === 0) ? 'stopped' : 'running',
-    ];
-}
-$table->setData($testData);
-
-$mainContainer->addComponent($table);
-
-$window->setRoot($mainContainer);
-$app->addWindow($window);
-
-echo "Table Scroll Test started!\n";
-echo "- Table should show scrollbar\n";
-echo "- Try scrolling with mouse wheel over the table\n\n";
-
-$app->run();