-22"> <label for="radio-2">16-22</label> <input type="radio" name="radio-1" id="<em>radio</em> -3" value="22-30"> <label for="<em>radio-3</em>">22-30</label> </fieldset> 复选框按钮 input元素的属性是checkbox
checked="checked" /> <label class="radio-star" for="radio-4">4</label> <input class="sr-only" id="<em>radio</em> -3" type="radio" name="radio-star" value="3" /> <label class="radio-star" for="<em>radio-3</em>">3</label>