Document Center has many features for managing content, and it scales well. If you have hundreds or thousands of documents, videos, and so on that you have to manage, consider using a Document Center site template (included with SharePoint by default). This template is optimized for large-scale document management. It can save time and help you be more efficient, SharePoint also includes the Document Center site template. Key features such as document versions, document IDs, document sets, metadata navigation, and content types are built in to the template for you.

A Document Center site works for both of these scenarios:

Authoring environment: In a Document Center authoring environment, users create and edit thousands of documents or media assets that are stored in a central repository.

Content archive: In a content archive, such as a knowledge base, users store or view documents.

Front End
CSS3

Back end
C-Sharp

Back End
SharePoint

Front End
HTML5