Add grid-3.vim

https://www.w3.org/TR/2024/WD-css-grid-3-20240919/

Author: hail2u

after/syntax/css/grid-3.vim

@@ -0,0 +1,2 @@
+syn keyword cssFontProp contained masonry-direction masonry-fill masonry-flow masonry masonry-template-tracks masonry-template-areas masonry-auto-tracks masonry-track-start masonry-track-end masonry-track masonry-slack
+syn keyword cssFontAttr contained masonry inline-masonry

test/test.css

@@ -509,6 +509,22 @@
 	display: auto;
 }
 
+.grid-3 {
+	masonry-direction: auto;
+	masonry-fill: auto;
+	masonry-flow: auto;
+	masonry: auto;
+	masonry-template-tracks: auto;
+	masonry-template-areas: auto;
+	masonry-auto-tracks: auto;
+	masonry-track-start: auto;
+	masonry-track-end: auto;
+	masonry-track: auto;
+	masonry-slack: auto;
+	display: masonry;
+	display: inline-masonry;
+}
+
 .highlight-api-1::highlight(test) {
 	display: auto;
 }