002 TailwindCSS
https://tailwindcss.com/

002 PurgeCSS
https://purgecss.com/

004 Tailwind-Configuration
https://tailwindcss.com/docs/configuration

006 Autoplay-Policy-Changes
https://developers.google.com/web/updates/2017/09/autoplay-policy-changes

008 Common-Module
https://angular.io/api/common/CommonModule