diff --git a/installer/webapp/src/main/webapp/local/css/local.css b/installer/webapp/src/main/webapp/local/css/local.css
new file mode 100644
index 00000000..4a441c96
--- /dev/null
+++ b/installer/webapp/src/main/webapp/local/css/local.css
@@ -0,0 +1,5 @@
+/*
+    Override theme CSS styles by placing them in this file
+
+    Note - all themes must include <../../..>/local/css/local.css as the last import.
+*/
\ No newline at end of file
diff --git a/installer/webapp/src/main/webapp/local/i18n/all.properties b/installer/webapp/src/main/webapp/local/i18n/all.properties
new file mode 100644
index 00000000..3f232df8
--- /dev/null
+++ b/installer/webapp/src/main/webapp/local/i18n/all.properties
@@ -0,0 +1,5 @@
+#
+# Local customisations override any provided messages
+#
+# Default (English)
+#
diff --git a/installer/webapp/src/main/webapp/local/readme b/installer/webapp/src/main/webapp/local/readme
new file mode 100644
index 00000000..b73c7d8d
--- /dev/null
+++ b/installer/webapp/src/main/webapp/local/readme
@@ -0,0 +1 @@
+You can override messages and CSS by placing local rules and text in the files here.
\ No newline at end of file
diff --git a/webapp/src/main/webapp/themes/tenderfoot/css/screen.css b/webapp/src/main/webapp/themes/tenderfoot/css/screen.css
index c564cfe9..f34c4850 100644
--- a/webapp/src/main/webapp/themes/tenderfoot/css/screen.css
+++ b/webapp/src/main/webapp/themes/tenderfoot/css/screen.css
@@ -31,3 +31,4 @@ VIVO tenderfoot theme: screen styles
 @import url("page-login.css");
 @import url("page-menu.css");
 @import url("https://fonts.googleapis.com/css?family=Noto+Sans");
+@import url("../../../local/css/local.css");
\ No newline at end of file
diff --git a/webapp/src/main/webapp/themes/wilma/css/screen.css b/webapp/src/main/webapp/themes/wilma/css/screen.css
index 6921ed25..362f2275 100644
--- a/webapp/src/main/webapp/themes/wilma/css/screen.css
+++ b/webapp/src/main/webapp/themes/wilma/css/screen.css
@@ -24,3 +24,4 @@ VIVO wilma theme: screen styles
 
 @import url("reset.css");
 @import url("wilma.css");
+@import url("../../../local/css/local.css");