Working on task kanban

app/Http/Controllers/TaskKanbanController.php

@@ -14,7 +14,12 @@ class TaskKanbanController extends BaseController
      */
     public function index()
     {
-        $tasks = Task::scope()->with(['project', 'client', 'task_status'])->orderBy('task_status_sort_order')->get();
+        $tasks = Task::scope()
+            ->with(['project', 'client', 'task_status'])
+            ->whereNull('invoice_id')
+            ->orderBy('task_status_sort_order')
+            ->get();
+
         $statuses = TaskStatus::scope()->orderBy('sort_order')->get();
         $projects = Project::scope()->get();
         $clients = Client::scope()->get();

resources/views/tasks/kanban.blade.php

@@ -18,6 +18,7 @@
         .kanban-column {
             background-color: #E9E9E9;
             padding: 10px;
+            padding-bottom: 14px;
             height: 100%;
             width: 230px;
             margin-right: 12px;
@@ -27,6 +28,10 @@
             cursor: pointer;
         }
 
+        .kanban-column-last {
+            background-color: #F8F8F8;
+        }
+
         .kanban-column-header {
             font-weight: bold;
             padding-bottom: 12px;