Here's an example with the About page:
<div class="col-main"> <div class="std"> //First line of content entered into UI content editor
When looking inside my 2columns-right.phtml:
<div class="col-main"> <?php echo $this->getChildHtml('content') ?>
So this tells me this
<div class="std"> is somewhere in some template. I've tried grepping my entire Magento directory and find only references under product/view.phtml, list.phtml, and description.phtml. None of these are used for the CMS pages and so I'm at a loss for where I can find these content templates.
The end goal is finding where I can edit the templates to remove unwanted elements like this.