diff --git a/selenium/docker-compose-grid.yml b/selenium/docker-compose-grid.yml
index a8c2fca..7bc3a22 100644
--- a/selenium/docker-compose-grid.yml
+++ b/selenium/docker-compose-grid.yml
@@ -16,6 +16,9 @@ firefox:
     - hub
   environment:
     - JAVA_OPTS=-Xmx768m
+    - SCREEN_WIDTH=1024
+    - SCREEN_HEIGHT=768
+    - SCREEN_DEPTH=16
     - NODE_MAX_INSTANCES=5
     - NODE_MAX_SESSION=5
   restart: always
@@ -29,6 +32,9 @@ chrome:
     - hub
   environment:
     - JAVA_OPTS=-Xmx768m
+    - SCREEN_WIDTH=1024
+    - SCREEN_HEIGHT=768
+    - SCREEN_DEPTH=16
     - NODE_MAX_INSTANCES=5
     - NODE_MAX_SESSION=5
   restart: always
diff --git a/selenium/docker-compose-node.yml b/selenium/docker-compose-node.yml
index 39fef2a..d857110 100644
--- a/selenium/docker-compose-node.yml
+++ b/selenium/docker-compose-node.yml
@@ -1,10 +1,13 @@
 firefox:
-  image: selenium/node-firefox
+  image: selenium/node-firefox-debug
   ports:
     - "5555:5555"
     - "5900:5900"
   environment:
     - JAVA_OPTS=-Xmx512m
+    - SCREEN_WIDTH=1024
+    - SCREEN_HEIGHT=768
+    - SCREEN_DEPTH=16
     - NODE_MAX_INSTANCES=2
     - NODE_MAX_SESSION=2
     - SE_OPTS=-host 5.6.7.8 -port 5555
diff --git a/selenium/docker-compose.yml b/selenium/docker-compose.yml
index 386150d..0591792 100644
--- a/selenium/docker-compose.yml
+++ b/selenium/docker-compose.yml
@@ -5,4 +5,7 @@ firefox:
     - "5900:5900"
   environment:
     - JAVA_OPTS=-Xmx512m
+    - SCREEN_WIDTH=1024
+    - SCREEN_HEIGHT=768
+    - SCREEN_DEPTH=16
   restart: always