Adds any number of extra fields in any number of additional boxes on the Write/Edit page in the Admin.
** Child themes are now supported ** Custom CSS let's you include a custom css file per post/page. You have your main style.css but let's say in one post you want a few things different. Instead of polluting your main stylesheet, you can include a new one with just the styles that you need for this specific post/page.
How to do it: