diff --git a/vim/after/syntax/vue.vim b/vim/after/syntax/vue.vim
index e194e87..36e6d7d 100644
--- a/vim/after/syntax/vue.vim
+++ b/vim/after/syntax/vue.vim
@@ -27,3 +27,7 @@ syn region vueTransitionMode contained start=+\smode="+hs=s+7 end=+"+he=e-1 cont
 
 syn keyword vueTagSpecial  contained template script style containedin=htmlTag, htmlTagN
 syn keyword htmlArg             contained scoped ts
+
+syn region cssClassRegion contained start=+classes="+hs=s+9 end=+"+he=e-1 contains=htmlSpecialChar,cssClassAttr,cssAttrNoise,cssClassName containedin=htmlTag,htmlTagN keepend
+syn region cssClassRegion contained start=+classes='+hs=s+9 end=+'+he=e-1 contains=htmlSpecialChar,cssClassAttr,cssAttrNoise,cssClassName containedin=htmlTag,htmlTagN keepend
+