Add Normalize-Opentype.css.

Change-Id: I3281ddecf7fd9cfe26b57e95b82c04ea4978c189
diff --git a/src/main/resources/META-INF/resources/package.json b/src/main/resources/META-INF/resources/package.json
index b2e1002..e3271d3 100644
--- a/src/main/resources/META-INF/resources/package.json
+++ b/src/main/resources/META-INF/resources/package.json
@@ -3,6 +3,7 @@
     "ContentTools": "^1.6.10",
     "elix": "^9.0.3",
     "lit-html": "^1.1.2",
+    "normalize-opentype.css": "^0.2.4",
     "normalize.css": "^8.0.1",
     "prefixfree": "^1.0.0",
     "prismjs": "^1.19.0",
@@ -21,6 +22,7 @@
       "elix",
       "lit-html",
       "normalize.css/normalize.css",
+      "normalize-opentype.css/normalize-opentype.css",
       "sanitize.css/{sanitize,forms,formsize,typography,page}.css",
       "prefixfree",
       "prismjs",