diff --git a/runtime/indent/css.vim b/runtime/indent/css.vim
index 8c6f114..be1c4d7 100644
--- a/runtime/indent/css.vim
+++ b/runtime/indent/css.vim
@@ -22,12 +22,12 @@
     let line = getline(lnum)
     if line =~ '\*/'
       while lnum > 1 && line !~ '/\*'
-        let lnum -= 1
+	let lnum -= 1
       endwhile
       if line =~ '^\s*/\*'
-        let lnum -= 1
+	let lnum -= 1
       else
-        break
+	break
       endif
     else
       break
@@ -45,13 +45,13 @@
   while i != -1
     if synIDattr(synID(a:lnum, i + 1, 0), 'name') !~ 'css\%(Comment\|StringQ\{1,2}\)'
       if line[i] == '{'
-        let n_open += 1
+	let n_open += 1
       elseif line[i] == '}'
-        if n_open > 0
-          let n_open -= 1
-        else
-          let n_close += 1
-        endif
+	if n_open > 0
+	  let n_open -= 1
+	else
+	  let n_close += 1
+	endif
       endif
     endif
     let i = match(line, pattern, i + 1)