Bootstrap 4文档示例不适用于CodePen

Question

例如this code does not work可以证明this pen。切换到Bootstrap 3并将offset-{breakpoint}-*更改为col-{breakpoint}-offset-*似乎可行。那是为什么？

Answer 1

使用Bootstrap 4.0 beta2 - 因为它们仅在此版本中带回了偏移列：
https://codepen.io/svitch/pen/xPVaZw

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.row > div {
  background-color: #ccc;
  outline: 2px solid #777;
  outline-offset: -1px;
}

.row > .col, .row > [class^=col-] {
    padding-top: .75rem;
    padding-bottom: .75rem;
    background-color: rgba(86,61,124,.15);
    border: 1px solid rgba(86,61,124,.2);
}

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<div class="row">
  <div class="col-md-4">.col-md-4</div>
  <div class="col-md-4 offset-md-4">.col-md-4 .offset-md-4</div>
</div>
<div class="row">
  <div class="col-md-3 offset-md-3">.col-md-3 .offset-md-3</div>
  <div class="col-md-3 offset-md-3">.col-md-3 .offset-md-3</div>
</div>
<div class="row">
  <div class="col-md-6 offset-md-3">.col-md-6 .offset-md-3</div>
</div>

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