diff --git a/approval_polls/migrations/0001_initial.py b/approval_polls/migrations/0001_initial.py
index bc15bbb..76f1310 100644
--- a/approval_polls/migrations/0001_initial.py
+++ b/approval_polls/migrations/0001_initial.py
@@ -66,8 +66,18 @@ class Migration(migrations.Migration):
                         primary_key=True,
                     ),
                 ),
-                ("ballot", models.ForeignKey(on_delete=models.CASCADE, to="approval_polls.Ballot")),
-                ("choice", models.ForeignKey(on_delete=models.CASCADE, to="approval_polls.Choice")),
+                (
+                    "ballot",
+                    models.ForeignKey(
+                        on_delete=models.CASCADE, to="approval_polls.Ballot"
+                    ),
+                ),
+                (
+                    "choice",
+                    models.ForeignKey(
+                        on_delete=models.CASCADE, to="approval_polls.Choice"
+                    ),
+                ),
             ],
         ),
         migrations.AddField(
@@ -78,6 +88,11 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name="ballot",
             name="poll",
-            field=models.ForeignKey(on_delete=models.CASCADE, blank=True, to="approval_polls.Poll", null=True),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                blank=True,
+                to="approval_polls.Poll",
+                null=True,
+            ),
         ),
     ]
diff --git a/approval_polls/migrations/0002_poll_user.py b/approval_polls/migrations/0002_poll_user.py
index 5453938..0b2cbfd 100644
--- a/approval_polls/migrations/0002_poll_user.py
+++ b/approval_polls/migrations/0002_poll_user.py
@@ -15,7 +15,9 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name="poll",
             name="user",
-            field=models.ForeignKey(on_delete=models.CASCADE, default=0, to=settings.AUTH_USER_MODEL),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE, default=0, to=settings.AUTH_USER_MODEL
+            ),
             preserve_default=False,
         ),
     ]
diff --git a/approval_polls/migrations/0003_ballot_user.py b/approval_polls/migrations/0003_ballot_user.py
index 76ca68b..5e5428c 100644
--- a/approval_polls/migrations/0003_ballot_user.py
+++ b/approval_polls/migrations/0003_ballot_user.py
@@ -15,6 +15,11 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name="ballot",
             name="user",
-            field=models.ForeignKey(on_delete=models.CASCADE, blank=True, to=settings.AUTH_USER_MODEL, null=True),
+            field=models.ForeignKey(
+                on_delete=models.CASCADE,
+                blank=True,
+                to=settings.AUTH_USER_MODEL,
+                null=True,
+            ),
         ),
     ]
diff --git a/approval_polls/migrations/0010_voteinvitation_poll_is_private.py b/approval_polls/migrations/0010_voteinvitation_poll_is_private.py
index b20a847..7ad55b5 100644
--- a/approval_polls/migrations/0010_voteinvitation_poll_is_private.py
+++ b/approval_polls/migrations/0010_voteinvitation_poll_is_private.py
@@ -38,8 +38,11 @@ class Migration(migrations.Migration):
                 ),
                 (
                     "ballot",
-                    models.ForeignKey(on_delete=models.CASCADE, 
-                        blank=True, to="approval_polls.Ballot", null=True
+                    models.ForeignKey(
+                        on_delete=models.CASCADE,
+                        blank=True,
+                        to="approval_polls.Ballot",
+                        null=True,
                     ),
                 ),
             ],
diff --git a/approval_polls/migrations/0012_subscription.py b/approval_polls/migrations/0012_subscription.py
index b20b42b..bd4926a 100644
--- a/approval_polls/migrations/0012_subscription.py
+++ b/approval_polls/migrations/0012_subscription.py
@@ -25,7 +25,12 @@ class Migration(migrations.Migration):
                     ),
                 ),
                 ("zipcode", models.CharField(max_length=5)),
-                ("user", models.ForeignKey(on_delete=models.CASCADE, to=settings.AUTH_USER_MODEL)),
+                (
+                    "user",
+                    models.ForeignKey(
+                        on_delete=models.CASCADE, to=settings.AUTH_USER_MODEL
+                    ),
+                ),
             ],
         ),
     ]
diff --git a/approval_polls/staticfiles/images/android-chrome-192x192.png b/approval_polls/staticfiles/images/android-chrome-192x192.png
index 1aa6222..7990758 100644
Binary files a/approval_polls/staticfiles/images/android-chrome-192x192.png and b/approval_polls/staticfiles/images/android-chrome-192x192.png differ
diff --git a/approval_polls/staticfiles/images/android-chrome-512x512.png b/approval_polls/staticfiles/images/android-chrome-512x512.png
index fa04fe9..3e2aa40 100644
Binary files a/approval_polls/staticfiles/images/android-chrome-512x512.png and b/approval_polls/staticfiles/images/android-chrome-512x512.png differ
diff --git a/approval_polls/staticfiles/images/apple-touch-icon.png b/approval_polls/staticfiles/images/apple-touch-icon.png
index b80551d..c5971e6 100644
Binary files a/approval_polls/staticfiles/images/apple-touch-icon.png and b/approval_polls/staticfiles/images/apple-touch-icon.png differ
diff --git a/approval_polls/staticfiles/images/ces-horizontal-stack-reverse.png b/approval_polls/staticfiles/images/ces-horizontal-stack-reverse.png
index 261e484..7585871 100644
Binary files a/approval_polls/staticfiles/images/ces-horizontal-stack-reverse.png and b/approval_polls/staticfiles/images/ces-horizontal-stack-reverse.png differ
diff --git a/approval_polls/staticfiles/images/ces-horizontal-stack.png b/approval_polls/staticfiles/images/ces-horizontal-stack.png
index 1a5add7..94d5917 100644
Binary files a/approval_polls/staticfiles/images/ces-horizontal-stack.png and b/approval_polls/staticfiles/images/ces-horizontal-stack.png differ
diff --git a/approval_polls/staticfiles/images/ces-logomark.png b/approval_polls/staticfiles/images/ces-logomark.png
index fe47736..da5b9a1 100644
Binary files a/approval_polls/staticfiles/images/ces-logomark.png and b/approval_polls/staticfiles/images/ces-logomark.png differ
diff --git a/approval_polls/staticfiles/images/ces-rectangle.png b/approval_polls/staticfiles/images/ces-rectangle.png
index 04a22a2..bdb2b90 100644
Binary files a/approval_polls/staticfiles/images/ces-rectangle.png and b/approval_polls/staticfiles/images/ces-rectangle.png differ
diff --git a/approval_polls/staticfiles/images/favicon-16x16.png b/approval_polls/staticfiles/images/favicon-16x16.png
index c615abf..cbf5bc6 100644
Binary files a/approval_polls/staticfiles/images/favicon-16x16.png and b/approval_polls/staticfiles/images/favicon-16x16.png differ
diff --git a/approval_polls/staticfiles/images/favicon-32x32.png b/approval_polls/staticfiles/images/favicon-32x32.png
index 28b98c0..1796ba8 100644
Binary files a/approval_polls/staticfiles/images/favicon-32x32.png and b/approval_polls/staticfiles/images/favicon-32x32.png differ
diff --git a/approval_polls/tests.py b/approval_polls/tests.py
index 2556e73..cdda12c 100644
--- a/approval_polls/tests.py
+++ b/approval_polls/tests.py
@@ -581,7 +581,9 @@ def test_private_poll_different_user(self):
         response = self.client.get(reverse("my_polls"))
         self.assertEqual(response.status_code, 200)
         self.assertQuerySetEqual(
-            response.context["latest_poll_list"], [repr(self.public_poll)], transform=repr
+            response.context["latest_poll_list"],
+            [repr(self.public_poll)],
+            transform=repr,
         )