How do you add a default WrapperCssClass so that the content administrator doesn't have to keep adding the same class as they drag on the ContentBlock_MVC widget?
Would I need to modify the widget template following something like this:
If so what would the .cshtml file look like?
Default.cshtml should looks like this: github.com/.../Default.cshtml
You can just download it from github, place it in correct folder, and modify it as you want