diff --git a/.editorconfig b/.editorconfig
index 23f1adc..052e5ee 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -9,7 +9,7 @@ indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true
 
-[*.{js,rb}]
+[*.{js,rb,css,html}]
 indent_size = 2
 
 [*.go]