Here's a preview of how some of the global options will affect how things are displayed on the site. These can be selected in the admin panel under Content Editor > Content Blocks > Global Options.
Photo Border Style
This setting affects how the border is styled on photos with the Border style applied to them. To apply this style, select a photo in the content editor and click the Styles dropdown menu. All photos with the Border style will have a border with the same style, as shown below.