Formatting in Article Preview

Ok, so I'm using Wordpress, with a theme called GoodNews. There's a feature called NewsBox, that provides an image and a preview of an article, as seen here:
http://www.universaltheosophy.com/category/sacred-texts/
Full article: http://www.universaltheosophy.com/sacred-texts/bhaghavad-gita/bhagavad-gita-on-the-mind/

The preview of the article removes all formatting of the text from the original article, but what I'd like to do is override this to retain punctuation, paragraphs, etc..

What I need is to fill out the following section of my custom CSS:

.cat_article_content p {

}

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