float:left 가 적용되었을때 가운데 정렬

HTML

<div class="txt_btn" style="background-color: #ddd;">
  <ul>
    <li class="box">박스 1</li>
    <li class="box">박스 2</li>
    <li class="box">박스 3</li>
  </ul>
</div>

 

CSS

.txt_btn {  
  text-align: center;
}

.txt_btn ul {
  display: inline-block;
  list-style: none;
}

.txt_btn ul li {  
  float: left;
  margin-left: 3px;
  border: 1px solid red;
}

.box {
  background-color: pink;
  width: 60px;
  height: 50px;
  line-height: 50px;
}

 

See the Pen float 가운데 정렬 예시 by Oyat (@oyat0824) on CodePen.