fix: properly set background color for floating labels (#1468)

Author: brian-smith-tcril

package-lock.json

@@ -73,7 +73,7 @@
   "devDependencies": {
     "@edx/browserslist-config": "^1.1.1",
     "@edx/reactifex": "1.1.0",
-    "@openedx/frontend-build": "^14.3.3",
+    "@openedx/frontend-build": "^14.4.2",
     "babel-plugin-formatjs": "10.5.37",
     "eslint-plugin-import": "2.31.0",
     "glob": "7.2.3",