feat: Adds CSS for custom selectors on login notice

Author: mauromsl

src/templates/admin/core/accounts/login.html

@@ -16,7 +16,7 @@
 
 {% block aside %}
   {% if journal_settings.general.display_login_page_notice %}
-    <div class="padding-block-1">
+    <div class="login-notice padding-block-1">
       <div class="card padding-block-2 padding-inline-2">
         {{ journal_settings.general.login_page_notice|safe }}
       </div>