Shared CSS cleanup, empty state polish, fix translation (#33998)

GitOrigin-RevId: eadaec851774b51912d45d18e7efca9981122628

services/web/frontend/extracted-translations.json

@@ -225,6 +225,7 @@
   "booktabs": "",
   "breadcrumbs": "",
   "browser": "",
+  "build_collection_of_most_used_references": "",
   "bullet_list": "",
   "buy_licenses": "",
   "buy_more_licenses": "",
@@ -1917,7 +1918,6 @@
   "start_typing_find_your_company": "",
   "start_typing_find_your_organization": "",
   "start_typing_find_your_university": "",
-  "start_your_collection_of_most_used_references": "",
   "stop": "",
   "stop_compile": "",
   "stop_on_first_error": "",

services/web/locales/en.json

@@ -299,6 +299,7 @@
   "booktabs": "Booktabs",
   "breadcrumbs": "Breadcrumbs",
   "browser": "Browser",
+  "build_collection_of_most_used_references": "Build a collection of your most-used references in the Library, so you can easily add them to any project.",
   "built_in": "Built-In",
   "bullet_list": "Bullet list",
   "buy_add_on": "Buy add-on",
@@ -2484,7 +2485,6 @@
   "start_typing_find_your_company": " Start typing to find your company",
   "start_typing_find_your_organization": "Start typing to find your organization",
   "start_typing_find_your_university": "Start typing to find your university",
-  "start_your_collection_of_most_used_references": "Start your collection of most-used references in the Library, so you can easily add them to any project.",
   "state": "State",
   "status_checks": "Status Checks",
   "still_have_questions": "Still have questions?",