The radio button is a HTML component, that represents a option (a/b/c) value.

<label class="be-ra-container">
    <input type="radio" name="radio">
    <span class="be-ra-checkmark be-ra-checkmark-primary"></span>
</label>

be-ra-countainer be-ra-checkmark

be-ra-checkmark-primary

be-ra-checkmark-danger

be-ra-checkmark-warning

be-ra-checkmark-info

be-ra-checkmark-success