Update runtime files
diff --git a/runtime/indent/css.vim b/runtime/indent/css.vim
index 4d15b8d..793f058 100644
--- a/runtime/indent/css.vim
+++ b/runtime/indent/css.vim
@@ -1,8 +1,10 @@
" Vim indent file
-" Language: CSS
-" Maintainer: Nikolai Weibull <now@bitwi.se>
-" Latest Revision: 2012-05-30
-" Use of shiftwidth() added by Oleg Zubchenko.
+" Language: CSS
+" Maintainer: Doug Kearns <dougkearns@gmail.com>
+" Previous Maintainer: Nikolai Weibull <now@bitwi.se>
+" Last Change: 24 Sep 2021
+
+" Use of shiftwidth() added by Oleg Zubchenko.
if exists("b:did_indent")
finish
@@ -13,7 +15,7 @@
setlocal indentkeys=0{,0},!^F,o,O
setlocal nosmartindent
-let b:undo_indent = "setl smartindent< indentkeys< indentexpr<"
+let b:undo_indent = "setl inde< indk< si<"
if exists("*GetCSSIndent")
finish