bootstrap row-align/justify

by hojondo

HTML

<script src="//code.jquery.com/jquery-3.3.1.slim.min.js"></script>
<link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css">
<script src="//cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js"></script>
<script src="//stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css">
<!-- 
  Bootstrap docs: https://getbootstrap.com/docs
-->
<div class="container">
        <div class="row align-items-start">
            <div class="col-4">
                上对齐
            </div>
            <div class="col-4">
                One of two columns 士大夫撒旦发发士大夫撒打发士大夫撒地方
            </div>
        </div>
        <div class="row align-items-center">
            <div class="col-4">
                垂直居中对齐
            </div>
            <div class="col-4">
                One of two columns 士大夫撒旦发发士大夫撒打发士大夫撒地方
            </div>
        </div>
        <div class="row align-items-end">
            <div class="col-4">
                下对齐
            </div>
            <div class="col-4">
                One of two columns 士大夫撒旦发发士大夫撒打发士大夫撒地方
            </div>
        </div>
</div>
<div class="container">
      <div class="row justify-content-start">
        <div class="col-4">
          左对齐
        </div>
        <div class="col-4">
          One of two columns
        </div>
      </div>
      <div class="row justify-content-center">
        <div class="col-4">
          水平居中对齐
        </div>
        <div class="col-4">
          One of two columns
        </div>
      </div>
      <div class="row justify-content-end">
        <div class="col-4">
          右对齐
        </div>
        <div class="col-4">
          One of two columns
        </div>
      </div>
      <div class="row justify-content-around">
        <div class="col-4">
          水平均分 项目之间的间隔都相等
        </div>
        <div class="col-4">
        ...

CSS

.row {
  background: #f8f9fa;
  border: solid 1px #eee;
  margin-top: 20px;
}

.col-4 {
  border: solid 1px #6c757d;
  padding: 10px;
}