diff --git a/after/syntax/css/css3-animations.vim b/after/syntax/css/css3-animations.vim
index 24a7515..0002bd4 100644
--- a/after/syntax/css/css3-animations.vim
+++ b/after/syntax/css/css3-animations.vim
@@ -1,4 +1,4 @@
 " TODO: create cssAnimationsProp group and cssAnimationsAttr group
 syn match cssFontProp contained "\<animation\(-\(name\|duration\|timing-function\|iteration-count\|direction\|play-state\|delay\|fill-mode\)\)\=\>"
 syn keyword cssFontAttr contained forwards backwards running paused
-syn match cssFontAttr contained "\<alternate-reverse\>" 
+syn match cssFontAttr contained "\<alternate-reverse\>"
diff --git a/after/syntax/css/css3-marquee.vim b/after/syntax/css/css3-marquee.vim
index 42a5ce8..15d7e74 100644
--- a/after/syntax/css/css3-marquee.vim
+++ b/after/syntax/css/css3-marquee.vim
@@ -2,4 +2,4 @@
 syn match cssFontProp contained "\<marquee-\(direction\|play-count\|speed\|style\)\>"
 syn match cssFontProp contained "\<overflow-style\>"
 syn keyword cssFontAttr contained forward reverse infinite slow fast slide alternate
-syn match cssFontAttr contained "\<marquee-\(line\|block\)\>" 
+syn match cssFontAttr contained "\<marquee-\(line\|block\)\>"
diff --git a/after/syntax/css/css3-multicol.vim b/after/syntax/css/css3-multicol.vim
index cba9290..6cf57cf 100644
--- a/after/syntax/css/css3-multicol.vim
+++ b/after/syntax/css/css3-multicol.vim
@@ -1,5 +1,5 @@
 " TODO: create cssMulticolProp group and cssMulticolAttr group
 syn keyword cssFontProp contained columns
 syn match cssFontProp contained "\<column-\(count\|fill\|gap\|rule\(-\(color\|style\|width\)\=\)\|span\|width\)\>"
-syn keyword cssFontAttr contained page column balance 
-syn match cssFontAttr contained "\<avoid-\(page\|column\)\>" 
+syn keyword cssFontAttr contained page column balance
+syn match cssFontAttr contained "\<avoid-\(page\|column\)\>"
diff --git a/after/syntax/css/css3-ruby.vim b/after/syntax/css/css3-ruby.vim
index c0f3ed2..e8f44a1 100644
--- a/after/syntax/css/css3-ruby.vim
+++ b/after/syntax/css/css3-ruby.vim
@@ -1,5 +1,5 @@
 " TODO: create cssRubyProp group and cssRubyAttr group
 syn match cssFontProp contained "\<ruby-\(align\|overhang\|position\|span\)"
 syn keyword cssUIAttr contained start end
-syn match cssUIAttr contained "\<distribute-\(letter\|space\)\>" 
-syn match cssUIAttr contained "\<line-edge\>" 
+syn match cssUIAttr contained "\<distribute-\(letter\|space\)\>"
+syn match cssUIAttr contained "\<line-edge\>"