Use the masterpage master page to make the site have a consistent appearance and unified layout (graphic)

The masterpage can make the site have a consistent appearance and unified layout.
A unified layout usually includes the following:
● A public title and the menu system of the entire site.
● The navigation bar on the left of the page provides some page navigation options.
● Provide the footer of the copyright information and a secondary menu for contacting the network administrator.

Let's take a look at the usage process:

1. Create a master page

 

2. Use the master page

 

3. Effect