<div class="input-radio">
     <label class="input-radio-label" for="checked">
         <input id="checked" name="checked" type="radio" checked />
         Checked
     </label>

     <label class="input-radio-label" for="unchecked">
         <input id="unchecked" name="unchecked" type="radio" />
         Unchecked
     </label>

     <label class="input-radio-label" for="disabled">
         <input class="input-radio-disabled" id="disabled" name="disabled" type="radio" disabled />
         Disabled
     </label>
 </div>