A radio button allows users to select one option from a set.
Radio button selected
Clicking on a radio button selects an item. A dot appears inside the radio button to confirm the selection.
A warning message, next to the selected item, appears if an error occurs.
Radio buttons have a dark grey outline by default.
If an error occurs, radio buttons have a light red background and a red outline. The selection associated to the button turns red as well.
Radio buttons are shown as a small circle with a dot when selected.