Adding classes to the BODY tag.3 users found helpful
Right now, my CSS is set up so putting CLASS="red" in the body tag will change everything to the new color scheme. I would really like to integrate my six color options into a custom page attribute or something similar (anything to avoid making 12 different templates), however I have no idea how to do this.
Any recommendations for the best way to put an editable/selectable class in the body tag?
Then your theme header.php you just add:
<body class="<?php echo $c->getCollectionAttributeValue('bodyclass')?>">
Then when you add a page, put in "red" into the Body Class Custom Attribute and voila. it will output