单选框字和选框对齐

<div class="add-group-item clearfix">
   <div class="add-group-text fl">性别</div>
         <div class="add-group-write">
              <div class="add-choice-div">
                   <label class="add-group-choice"><input name="sex" type="radio" value="" class="add-group-radio" />男</label>
                   <label class="add-group-choice"><input name="sex" type="radio" value="" class="add-group-radio" />女</label>
             </div>
         </div>
   </div>
</div>    

.add-group-item{margin-bottom: 10px;}
.add-group-text{width: 56px;display: block;height: 30px;text-align: justify;text-align-last: justify;font-size: 14px;color: #666;line-height: 30px;}
.add-group-write{margin-left: 66px;}
.add-group-input{height: 30px;padding: 0 10px;line-height: 30px;border:1px solid #666;width: 200px;font-size: 14px;border-radius: 3px;}
.add-group-choice{margin-right: 30px;line-height: 18px;
    display: inline-block;}
.add-choice-div{margin-left: 18px;padding-top: 6px;}
.add-group-radio{margin: 2px 0 0 -18px;float: left;}