diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..a279420
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,12 @@
+; This file is for unifying the coding style for different editors and IDEs.
+; More information at http://EditorConfig.org
+
+root = true
+
+[*.tex]
+indent_style = space
+indent_size = 4
+
+[*.cls]
+indent_style = space
+indent_size = 4