diff --git a/config/services.yaml b/config/services.yaml
index 57f7d5b..4ee12b9 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -67,4 +67,4 @@ services:
 
     # other servces
     App\Service\ProviderResolver:
-        arguments: [!tagged app.provider]
+        arguments: [!tagged app.provider, '%kernel.debug%']
diff --git a/resources/styles/_common.scss b/resources/styles/_common.scss
index a93e881..06bb866 100644
--- a/resources/styles/_common.scss
+++ b/resources/styles/_common.scss
@@ -1,5 +1,6 @@
 .list-underlined {
   @extend .list-unstyled;
+  margin-bottom: 0;
 
   > li {
     border-bottom: 1px solid $dark;
@@ -45,23 +46,37 @@
   align-items: center;
 }
 
-.section__title {
-  @extend .alert;
-  @extend .alert-dark;
+.section {
+  margin-bottom: 1rem;
 
-  font-size: medium;
-  background: transparent;
-  padding-top: .5rem;
-  padding-bottom: .5rem;
+  .section__title {
+    @extend .alert;
+    @extend .alert-dark;
 
-  line-height: $btn-line-height;
+    font-size: medium;
+    background: transparent;
+    padding-top: .5rem;
+    padding-bottom: .5rem;
 
-  &:hover {
-    background: none;
+    line-height: $btn-line-height;
+
+    &:hover {
+      background: none;
+    }
+
+    .btn {
+      margin-top: -.5rem;
+      margin-bottom: -.5rem;
+    }
   }
+}
 
-  .btn {
-    margin-top: -.5rem;
-    margin-bottom: -.5rem;
+#app {
+  margin-top: $grid-gutter-width / 2;
+}
+
+@include media-breakpoint-up('md') {
+  #app {
+    margin-top: 4rem;
   }
 }
\ No newline at end of file
diff --git a/src/Provider/Dummy/DummyMessageRepository.php b/src/Provider/Dummy/DummyMessageRepository.php
new file mode 100644
index 0000000..86ee2f0
--- /dev/null
+++ b/src/Provider/Dummy/DummyMessageRepository.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Provider\Dummy;
+
+use App\Model\Message;
+use App\Model\Stop;
+use App\Provider\MessageRepository;
+use Carbon\Carbon;
+use Tightenco\Collect\Support\Collection;
+
+class DummyMessageRepository implements MessageRepository
+{
+    public function getAll(): Collection
+    {
+        return collect([
+            Message::TYPE_INFO,
+            Message::TYPE_UNKNOWN,
+            Message::TYPE_BREAKDOWN
+        ])->map(function ($type) {
+            return Message::createFromArray([
+                'message'   => 'Lorem ipsum dolor sit amet.',
+                'type'      => $type,
+                'validFrom' => Carbon::now(),
+                'validTo'   => Carbon::now()->addHour()
+            ]);
+        });
+    }
+
+    public function getForStop(Stop $stop): Collection
+    {
+        return $this->getAll();
+    }
+}
\ No newline at end of file
diff --git a/src/Provider/Dummy/DummyProvider.php b/src/Provider/Dummy/DummyProvider.php
new file mode 100644
index 0000000..3736862
--- /dev/null
+++ b/src/Provider/Dummy/DummyProvider.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Provider\Dummy;
+
+use App\Exception\NotSupportedException;
+use App\Provider\DepartureRepository;
+use App\Provider\LineRepository;
+use App\Provider\MessageRepository;
+use App\Provider\Provider;
+use App\Provider\StopRepository;
+use App\Provider\TrackRepository;
+
+class DummyProvider implements Provider
+{
+    public function getDepartureRepository(): DepartureRepository
+    {
+        throw new NotSupportedException();
+    }
+
+    public function getLineRepository(): LineRepository
+    {
+        throw new NotSupportedException();
+    }
+
+    public function getStopRepository(): StopRepository
+    {
+        throw new NotSupportedException();
+    }
+
+    public function getMessageRepository(): MessageRepository
+    {
+        return new DummyMessageRepository();
+    }
+
+    public function getTrackRepository(): TrackRepository
+    {
+        throw new NotSupportedException();
+    }
+
+    public function getName()
+    {
+        return "Dummy data for debugging";
+    }
+
+    public function getIdentifier()
+    {
+        return "dummy";
+    }
+}
\ No newline at end of file
diff --git a/src/Provider/ZtmGdansk/ZtmGdanskDataUpdateSubscriber.php b/src/Provider/ZtmGdansk/ZtmGdanskDataUpdateSubscriber.php
index 86ac191..7dc4584 100644
--- a/src/Provider/ZtmGdansk/ZtmGdanskDataUpdateSubscriber.php
+++ b/src/Provider/ZtmGdansk/ZtmGdanskDataUpdateSubscriber.php
@@ -9,7 +9,7 @@ use App\Entity\StopEntity;
 use App\Entity\StopInTrack;
 use App\Entity\TrackEntity;
 use App\Model\Line as LineModel;
-use App\Provider\ZtmGdanskProvider;
+use App\Provider\ZtmGdansk\ZtmGdanskProvider;
 use App\Service\DataUpdater;
 use App\Service\IdUtils;
 use Doctrine\ORM\EntityManagerInterface;
diff --git a/src/Provider/ZtmGdansk/ZtmGdanskMessageRepository.php b/src/Provider/ZtmGdansk/ZtmGdanskMessageRepository.php
index 1999211..a8ea28a 100644
--- a/src/Provider/ZtmGdansk/ZtmGdanskMessageRepository.php
+++ b/src/Provider/ZtmGdansk/ZtmGdanskMessageRepository.php
@@ -7,7 +7,7 @@ namespace App\Provider\ZtmGdansk;
 use App\Model\Message;
 use App\Model\Stop;
 use App\Provider\MessageRepository;
-use App\Provider\ZtmGdanskProvider;
+use App\Provider\ZtmGdansk\ZtmGdanskProvider;
 use App\Service\IdUtils;
 use Carbon\Carbon;
 use Symfony\Component\Cache\Adapter\AdapterInterface;
diff --git a/src/Provider/ZtmGdanskProvider.php b/src/Provider/ZtmGdansk/ZtmGdanskProvider.php
similarity index 89%
rename from src/Provider/ZtmGdanskProvider.php
rename to src/Provider/ZtmGdansk/ZtmGdanskProvider.php
index edbfd0a..0fa6685 100644
--- a/src/Provider/ZtmGdanskProvider.php
+++ b/src/Provider/ZtmGdansk/ZtmGdanskProvider.php
@@ -1,12 +1,18 @@
 <?php
 
 
-namespace App\Provider;
+namespace App\Provider\ZtmGdansk;
 
 use App\Entity\ProviderEntity;
 use App\Provider\Database\GenericLineRepository;
 use App\Provider\Database\GenericStopRepository;
 use App\Provider\Database\GenericTrackRepository;
+use App\Provider\DepartureRepository;
+use App\Provider\LineRepository;
+use App\Provider\MessageRepository;
+use App\Provider\Provider;
+use App\Provider\StopRepository;
+use App\Provider\TrackRepository;
 use App\Provider\ZtmGdansk\{ZtmGdanskDepartureRepository, ZtmGdanskMessageRepository};
 use App\Service\Proxy\ReferenceFactory;
 use Doctrine\ORM\EntityManagerInterface;
diff --git a/src/Service/ProviderResolver.php b/src/Service/ProviderResolver.php
index d793a14..85e2758 100644
--- a/src/Service/ProviderResolver.php
+++ b/src/Service/ProviderResolver.php
@@ -4,17 +4,23 @@
 namespace App\Service;
 
 use App\Exception\NonExistentServiceException;
+use App\Provider\Dummy\DummyProvider;
 use App\Provider\Provider;
 use Kadet\Functional\Transforms as t;
+use Kadet\Functional\Predicates as p;
 use Tightenco\Collect\Support\Collection;
 
 class ProviderResolver
 {
     private $providers;
 
-    public function __construct($providers)
+    public function __construct($providers, bool $debug)
     {
         $this->providers = collect($providers)->keyBy(t\property('identifier'));
+
+        if (!$debug) {
+            $this->providers = $this->providers->filter(p\instance(DummyProvider::class)->negate());
+        }
     }
 
     /**\
diff --git a/templates/app.html.twig b/templates/app.html.twig
index f6b6719..4e9e119 100644
--- a/templates/app.html.twig
+++ b/templates/app.html.twig
@@ -3,17 +3,8 @@
 
 {% block body %}
     <div class="row">
-        <div class="col-md-4">
-            <section class="picker">
-                <h2 class="section__title">
-                    <fa :icon="['fal', 'sign']" fixed-width></fa>
-                    Przystanki
-                </h2>
-                <stop-picker :stops.sync="stops"></stop-picker>
-            </section>
-        </div>
-        <div class="col-md-8">
-            <section class="messages" v-show="messages.count > 0">
+        <div class="col-md-8 order-md-last">
+            <section class="section messages" v-show="messages.count > 0">
                 <h2 class="section__title flex">
                     <fa :icon="['fal', 'bullhorn']" fixed-width class="mr-2"></fa>
                     Komunikaty <span class="ml-2 badge badge-pill badge-dark">{{ '{{ messages.count }}' }}</span>
@@ -26,7 +17,7 @@
                 </fold>
             </section>
 
-            <section>
+            <section class="section">
                 <h2 class="section__title flex">
                     <fa :icon="['fal', 'clock']" fixed-width class="mr-1"></fa>
                     Odjazdy
@@ -39,6 +30,15 @@
                 <departures :stops="stops" ref="departures" @update:state="departures.state = $event"></departures>
             </section>
         </div>
+        <div class="col-md-4 order-md-first">
+            <section class="section picker">
+                <h2 class="section__title">
+                    <fa :icon="['fal', 'sign']" fixed-width></fa>
+                    Przystanki
+                </h2>
+                <stop-picker :stops.sync="stops"></stop-picker>
+            </section>
+        </div>
     </div>
 {% endblock %}
 
diff --git a/templates/base.html.twig b/templates/base.html.twig
index d36c3fe..31bee37 100644
--- a/templates/base.html.twig
+++ b/templates/base.html.twig
@@ -8,7 +8,7 @@
         <title>{% block title %}Czy dojadÄ™?{% endblock %}</title>
     </head>
     <body>
-        <main role="main" class="container mt-5" id="app">
+        <main role="main" class="container" id="app">
             {% block body %}{% endblock %}
         </main>