diff --git a/plinth/modules/deluge/urls.py b/plinth/modules/deluge/urls.py
index 57b86e539..80ba1e6ce 100644
--- a/plinth/modules/deluge/urls.py
+++ b/plinth/modules/deluge/urls.py
@@ -29,5 +29,6 @@ urlpatterns = [
         AppView.as_view(name=deluge.name, description=deluge.description,
                         diagnostics_module_name='deluge',
                         clients=deluge.clients, app_id='deluge',
-                        manual_page=deluge.manual_page, icon_filename=deluge.icon_filename), name='index'),
+                        manual_page=deluge.manual_page,
+                        icon_filename=deluge.icon_filename), name='index'),
 ]
diff --git a/plinth/modules/infinoted/__init__.py b/plinth/modules/infinoted/__init__.py
index 2493540a5..3fd97f921 100644
--- a/plinth/modules/infinoted/__init__.py
+++ b/plinth/modules/infinoted/__init__.py
@@ -108,6 +108,7 @@ class InfinotedAppView(AppView):
     port_forwarding_info = port_forwarding_info
     icon_filename = icon_filename
 
+
 def setup(helper, old_version=None):
     """Install and configure the module."""
     helper.install(managed_packages)
diff --git a/plinth/modules/jsxc/views.py b/plinth/modules/jsxc/views.py
index 97cb0600c..ca3b804f2 100644
--- a/plinth/modules/jsxc/views.py
+++ b/plinth/modules/jsxc/views.py
@@ -36,6 +36,7 @@ class JSXCAppView(AppView):
     clients = jsxc.clients
     icon_filename = jsxc.icon_filename
 
+
 class JsxcView(TemplateView):
     """A simple page to embed Javascript XMPP Client library."""
     template_name = 'jsxc_launch.html'
diff --git a/plinth/modules/mldonkey/urls.py b/plinth/modules/mldonkey/urls.py
index 9b15c7bb8..57f1e0500 100644
--- a/plinth/modules/mldonkey/urls.py
+++ b/plinth/modules/mldonkey/urls.py
@@ -32,6 +32,5 @@ urlpatterns = [
                         clients=mldonkey.clients,
                         manual_page=mldonkey.manual_page,
                         show_status_block=True,
-                        icon_filename=mldonkey.icon_filename),
-                        name='index'),
+                        icon_filename=mldonkey.icon_filename), name='index'),
 ]
diff --git a/plinth/modules/mumble/__init__.py b/plinth/modules/mumble/__init__.py
index 0bfa39469..384c07236 100644
--- a/plinth/modules/mumble/__init__.py
+++ b/plinth/modules/mumble/__init__.py
@@ -110,6 +110,7 @@ class MumbleAppView(AppView):
     port_forwarding_info = port_forwarding_info
     icon_filename = icon_filename
 
+
 def setup(helper, old_version=None):
     """Install and configure the module."""
     helper.install(managed_packages)
diff --git a/plinth/modules/privoxy/__init__.py b/plinth/modules/privoxy/__init__.py
index 83ad90c3c..08c827bad 100644
--- a/plinth/modules/privoxy/__init__.py
+++ b/plinth/modules/privoxy/__init__.py
@@ -119,6 +119,7 @@ class PrivoxyAppView(AppView):
     manual_page = manual_page
     icon_filename = icon_filename
 
+
 def diagnose():
     """Run diagnostics and return the results."""
     results = []
diff --git a/plinth/modules/sharing/__init__.py b/plinth/modules/sharing/__init__.py
index f3a2b3abe..25a905cfb 100644
--- a/plinth/modules/sharing/__init__.py
+++ b/plinth/modules/sharing/__init__.py
@@ -44,6 +44,7 @@ app = None
 
 icon_filename = 'sharing'
 
+
 class SharingApp(app_module.App):
     """FreedomBox app for sharing files."""
 
diff --git a/plinth/modules/syncthing/urls.py b/plinth/modules/syncthing/urls.py
index 1fd002ea8..cc275b9e9 100644
--- a/plinth/modules/syncthing/urls.py
+++ b/plinth/modules/syncthing/urls.py
@@ -31,6 +31,6 @@ urlpatterns = [
                         description=syncthing.description,
                         clients=syncthing.clients,
                         manual_page=syncthing.manual_page,
-                        icon_filename = syncthing.icon_filename,
+                        icon_filename=syncthing.icon_filename,
                         show_status_block=True), name='index'),
 ]
diff --git a/static/themes/default/css/plinth.css b/static/themes/default/css/plinth.css
index 3b4cd5e0f..3813af8cd 100644
--- a/static/themes/default/css/plinth.css
+++ b/static/themes/default/css/plinth.css
@@ -559,4 +559,24 @@ a.menu_link_active {
 }
 .app-header-single-column .app-description {
     grid-column: 1;
+}
+
+@media screen and (max-width: 768px) {
+    .app-header {
+        display: flex;
+        flex-flow: column;
+        margin-bottom: 20px;
+        text-align: center;
+    }
+
+    .app-header img {
+        width: 150px;
+        height: 150px;
+        margin: 0 auto;
+        border-radius: 20%;
+        border: 5px solid #fff;
+        box-shadow: 0px 4px 5px 1px rgba(0, 0, 0, 0.1);
+        padding: 10px;
+        transition: height 0.5s width 0.5s;
+    }
 }
\ No newline at end of file