N°8617 - New portal theme doesn't work with Safari

node_modules/@ungap/custom-elements/package.json

@@ -0,0 +1,30 @@
+{
+  "name": "@ungap/custom-elements",
+  "version": "1.3.0",
+  "description": "All inclusive customElements polyfill for every browser",
+  "main": "index.js",
+  "module": "index.js",
+  "unpkg": "min.js",
+  "scripts": {
+    "build": "cp ./node_modules/@webreflection/custom-elements/*.js ./"
+  },
+  "keywords": [
+    "custom",
+    "elements",
+    "polyfill",
+    "customElements"
+  ],
+  "author": "Andrea Giammarchi",
+  "license": "ISC",
+  "devDependencies": {
+    "@webreflection/custom-elements": "^1.3.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/ungap/custom-elements.git"
+  },
+  "bugs": {
+    "url": "https://github.com/ungap/custom-elements/issues"
+  },
+  "homepage": "https://github.com/ungap/custom-elements#readme"
+}