The content box is a very useful and simple media item to use. It provides an editable content field that may be given a background color, background image, or borders.
Content Box's most common use case is to bring attention to a block of content by adding a background color or border.
Content Box Themes
You can use a Content Box Theme media item to create a styling that you would like to replicate and keep consistent over multiple content boxes. This can be useful for a consistent look for things like alerts, tips, etc.
Content boxes are a great tool for customizing your pages. They are handy when composing more complex media items that contain multiple media items. For example, a Content Box could have an inner two columnlayout, which could contain yet another Content Box, and so on.
More Use-case Ideas
consistent styling for categorically similar messages to the readers with consistent styling, i.e. hints, alerts, resources, etc.
an image with text on top
full-width color blocks