WordPress radio field creates a list of available options from which the user can choose only a single variant. Adding options to the list is easy, and you can create lists of various lengths. If you want the user to see the whole set of options without performing any additional actions and select only one of them, Radio Field is perfect for the task.
If you have installed the JetStyleManager plugin, the Block Style button will appear in the top right corner of the editing window. Here are the styling settings you can meet there: