diff --git a/.gitignore b/.gitignore
index b21e3adf..f667ec91 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,3 +13,6 @@ server/**/lib/
 server/**/bin/
 server/**/pyvenv.cfg
 __pycache__/
+
+data/
+sql/
diff --git a/client/css/colors.styl b/client/css/colors.styl
index cf7e7caf..a37f7bbb 100644
--- a/client/css/colors.styl
+++ b/client/css/colors.styl
@@ -61,4 +61,4 @@ $safety-sketchy = #F3D75F
 $safety-unsafe = #F3985F
 $scrollbar-thumb-color = $main-color
 $scrollbar-bg-color = $input-enabled-background-color
-$transparency-grid-square-color = #F0F0F0
+$transparency-grid-square-color = #00000000
diff --git a/docker-compose.yml b/docker-compose.yml
index 38e08b97..efcdb643 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -7,7 +7,8 @@ version: '2'
 services:
 
   server:
-    image: szurubooru/server:latest
+#    image: szurubooru/server:latest
+    build: server
     depends_on:
       - sql
     environment:
@@ -27,7 +28,8 @@ services:
       - "./server/config.yaml:/opt/app/config.yaml"
 
   client:
-    image: szurubooru/client:latest
+#    image: szurubooru/client:latest
+    build: client
     depends_on:
       - server
     environment:
diff --git a/server/szurubooru/func/images.py b/server/szurubooru/func/images.py
index e135d182..3cbfeda8 100644
--- a/server/szurubooru/func/images.py
+++ b/server/szurubooru/func/images.py
@@ -99,7 +99,7 @@ class Image:
                 "-f",
                 "lavfi",
                 "-i",
-                "color=white:s=%dx%d" % (self.width, self.height),
+                "color=black:s=%dx%d" % (self.width, self.height),
                 "-i",
                 "{path}",
                 "-f",