diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..9bea433
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+
+.DS_Store
diff --git a/docker-compose.yml b/docker-compose.yml
index 03e8ede..136baed 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -15,7 +15,7 @@ services:
     restart: always
     volumes:
       - nextcloud:/var/www/html
-      - ./themes:/var/www/html/themes
+      - ./themes:/var/www/html/themes:ro
     environment:
       - MYSQL_HOST=db
     env_file:
@@ -31,6 +31,7 @@ services:
       - 127.0.0.1:8080:80
     volumes:
       - nextcloud:/var/www/html:ro
+      - ./themes:/var/www/html/themes:ro
       - ./nginx.conf:/etc/nginx/nginx.conf
     depends_on:
       - app
diff --git a/themes/bij1/core/img/favicon-touch.png b/themes/bij1/core/img/favicon-touch.png
deleted file mode 100644
index e3a61ae..0000000
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diff --git a/themes/bij1/core/img/favicon-touch.svg b/themes/bij1/core/img/favicon-touch.svg
deleted file mode 100644
index 2c48494..0000000
--- a/themes/bij1/core/img/favicon-touch.svg
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/themes/bij1/core/img/favicon.ico b/themes/bij1/core/img/favicon.ico
index 70b59ad..17ae846 100644
Binary files a/themes/bij1/core/img/favicon.ico and b/themes/bij1/core/img/favicon.ico differ
diff --git a/themes/bij1/core/img/favicon.png b/themes/bij1/core/img/favicon.png
index 4394e13..a719ea4 100644
Binary files a/themes/bij1/core/img/favicon.png and b/themes/bij1/core/img/favicon.png differ
diff --git a/themes/bij1/core/img/favicon.svg b/themes/bij1/core/img/favicon.svg
deleted file mode 100644
index e14ea6f..0000000
--- a/themes/bij1/core/img/favicon.svg
+++ /dev/null
@@ -1 +0,0 @@
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diff --git a/themes/bij1/core/img/logo.png b/themes/bij1/core/img/logo.png
index ac766e2..b8b346e 100644
Binary files a/themes/bij1/core/img/logo.png and b/themes/bij1/core/img/logo.png differ
diff --git a/themes/bij1/core/img/logo.svg b/themes/bij1/core/img/logo.svg
index 7461eb5..7d725f9 100644
--- a/themes/bij1/core/img/logo.svg
+++ b/themes/bij1/core/img/logo.svg
@@ -1 +1,17 @@
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