Fix unit expanding

autoload/emmet/lang/css.vim

@@ -39,10 +39,15 @@ function! emmet#lang#css#parseIntoTree(abbr, type) abort
           let token = token[1:]
         endif
         let value = ''
-        for v in split(prop[2], '\a\+\zs')
+        for vt in split(prop[2], '\a\+\zs')
+          let ut = matchstr(vt, '[a-z]\+$')
+          for v in split(vt, '\d\zs-')
             if len(value) > 0
               let value .= ' '
             endif
+            if v !~ '[a-z]\+$'
+              let v .= ut
+            endif
             if token =~# '^[z]'
               " TODO
               let value .= substitute(v, '[^0-9.]*$', '', '')
@@ -74,6 +79,7 @@ function! emmet#lang#css#parseIntoTree(abbr, type) abort
               let value .= v . 'px'
             endif
           endfor
+        endfor
       endif
 
       let tag_name = token