19.3 #Radio.without-label Radio Button Without a Label

Toggle example guides Toggle HTML markup

.sf-radio

Html 
 <div class="sf-radio">
    <input type="radio" class="sf-radio__input" name="navigation1" id="radio_5" checked />
    <label class="sf-radio__label" for="radio_5">
        <span class="sf-radio__icon"></span>
    </label>
 </div>