To create a detailed page for your CMS article, first, add a "dynamic" page.

Please also check this article about dynamic pages:

Design dynamic list/page

Then place the Rich Text Box on the page.

If you set the property as body in the placed Rich Text Box, you can display the whole text from your CMS article without line breaks.

The Rich Text Box is a useful feature, so be sure to check out this article as well.

Rich Text Box on Design Editor
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