Update overflow-4.vim

Author: hail2u

after/syntax/css/overflow-4.vim

@@ -1,2 +1,3 @@
+syn keyword cssFontProp contained overflow-clip-margin-block overflow-clip-margin-block-start overflow-clip-margin-block-end overflow-clip-margin-inline overflow-clip-margin-inline-start overflow-clip-margin-inline-end overflow-clip-margin-top overflow-clip-margin-right overflow-clip-margin-bottom overflow-clip-margin-left
 syn keyword cssFontAttr contained stable force overflow paginate fragments
 syn region cssPseudoClassLang matchgroup=cssPseudoClassId start=":\(nth-fragment\)(" end=")" oneline

test/test.css

@@ -644,6 +644,16 @@ mask {
 }
 
 .overflow-4::nth-fragment(1) {
+	overflow-clip-margin-block: auto;
+	overflow-clip-margin-block-start: auto;
+	overflow-clip-margin-block-end: auto;
+	overflow-clip-margin-inline: auto;
+	overflow-clip-margin-inline-start: auto;
+	overflow-clip-margin-inline-end: auto;
+	overflow-clip-margin-top: auto;
+	overflow-clip-margin-right: auto;
+	overflow-clip-margin-bottom: auto;
+	overflow-clip-margin-left: auto;
 	display: stable;
 	display: force;
 	display: overflow;