Add justify-items and justify-self to list of known css attributes

Author: vast

CHANGES.md

@@ -28,6 +28,7 @@ Core Grammars:
 - fix(types) fix interface LanguageDetail > keywords [Patrick Chiu]
 - enh(java) add `goto` to be recognized as a keyword in Java [Alvin Joy][]
 - enh(bash) add keyword `sudo` [Alvin Joy][]
+- enh(css) add `justify-items` and `justify-self` attributes [Vasily Polovnyov][]
 
 New Grammars:
 

src/languages/lib/css-shared.js

@@ -483,6 +483,8 @@ export const ATTRIBUTES = [
   'isolation',
   'kerning',
   'justify-content',
+  'justify-items',
+  'justify-self',
   'left',
   'letter-spacing',
   'lighting-color',