diff --git a/msg/messages.js b/msg/messages.js
index d3fea6ce9..7d21fd772 100644
--- a/msg/messages.js
+++ b/msg/messages.js
@@ -67,6 +67,25 @@ Blockly.Msg.VARIABLES_DYNAMIC_HUE = '310';
 /// {{Notranslate}} Hue value for all procedure blocks.
 Blockly.Msg.PROCEDURES_HUE = '290';
 
+/// {{Notranslate}} Style name for all logic blocks.
+Blockly.Msg.LOGIC_STYLE = 'logic';
+/// {{Notranslate}} Style name for all loop blocks.
+Blockly.Msg.LOOPS_STYLE = 'loops';
+/// {{Notranslate}} Style name for all math blocks.
+Blockly.Msg.MATH_STYLE = 'math';
+/// {{Notranslate}} Style name for all text blocks.
+Blockly.Msg.TEXT_STYLE = 'text';
+/// {{Notranslate}} Style name for all list blocks.
+Blockly.Msg.LISTS_STYLE = 'lists';
+/// {{Notranslate}} Style name for all colour blocks.
+Blockly.Msg.COLOUR_STYLE = 'colour';
+/// {{Notranslate}} Style name for all variable blocks.
+Blockly.Msg.VARIABLES_STYLE = 'variables';
+/// {{Notranslate}} Style name for all variable dynamic blocks.
+Blockly.Msg.VARIABLES_DYNAMIC_STYLE = 'variables_dynamic';
+/// {{Notranslate}} Style name for all procedure blocks.
+Blockly.Msg.PROCEDURES_STYLE = 'procedure';
+
 /// default name - A simple, general default name for a variable, preferably short.
 /// For more context, see
 /// [[Translating:Blockly#infrequent_message_types]].\n{{Identical|Item}}