How to put space in wordpress or html.
Spaces and blank lines in WordPress
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Above 2 blank lines or spaces in the WordPress editor.
And the answer for Space between Content in WordPress is press enter and type
The ; is not for decorative purposes it is part of the code to add space
To insert a blank line, simply use a double line break by hitting “Enter” twice in the text editor, or once in the visual editor.

Do not to switch between Visual and Text modes without Saving.