I must configure CKEditor to add a class-attribute to every p-tag in the content. You can do something similar with config.format_p but it will only apply the class-attribut
Well .. not sure if you need that for some specific reason .. but wouldn't life be much easier if you do what you want to do at the display end?
Like if I display some text (saved from ckeditor) at the front end, display in something like a
...
And all
tags within it can be applied styles or applied jquery by the notation:
.ckcontent p { margin-left:5px;........ }
OR
$('.ckcontent p').addClass('ckparagraphs');