Why does a blank box appear on the wordpress page?

There are about two reasons for the blank box on the wordpress page:

1. UTF-8 is the file storage type.

If the file storage type is different from the version used,

This will cause the above problems.

Solution: After opening all the files in the editor,

File type.

2. admin-bar

Admin-bar is a toolbar that comes with wordpress3.1,

The default value is at the top,

My page problems also appear here.

Solution: 1. Hide admin-bar

There is a admin-bar.php tutorial file in the wp-patterns folder,

You can directly set the margin-top of html * html body to 0.

2. Remove admin-bar directly.

This does not require forced deletion of files,

In this way, the page cannot be opened easily.

Remove the admin bar from the function. Php file of the topic,

The code is as follows:

Add_filter ('show _ admin_bar ',' _ return_false ');