diff --git a/after/syntax/css/css3-box.vim b/after/syntax/css/css3-box.vim
new file mode 100644
index 0000000..ddc8b58
--- /dev/null
+++ b/after/syntax/css/css3-box.vim
@@ -0,0 +1,5 @@
+syn match cssBoxProp contained "\<overflow-\(style\|x\|y\)\>"
+syn match cssBoxProp contained "\<rotation\(-point\)\=\>"
+syn keyword cssBoxAttr contained scrollbar panner move marquee
+syn match cssBoxAttr contained "\<ruby\(-\(base\(-group\)\=\|text\(-group\)\=\)\)\=\>"
+syn match cssBoxAttr contained "\<no-\(display\|content\)\>"
diff --git a/after/syntax/css/css3-properties.vim b/after/syntax/css/css3-properties.vim
deleted file mode 100644
index 3d8a3ee..0000000
--- a/after/syntax/css/css3-properties.vim
+++ /dev/null
@@ -1 +0,0 @@
-syn match cssBoxProp contained "\<overflow-\(x\|y\)\>"