How to make a button in a list item look like an option-button


I am trying to place two buttons inside a list item but I’d like to make them look like an option-button, I mean the buttons should be placed in the right of the list. I’ve tried to use item-button-right, but my list has a grid (1 row and 5 columns) and it didn’t work. Any ideia, how can I do it?

Here is my code