如何在Bootstrap 3中间隔垂直堆叠的按钮 [英] How to space vertically stacked buttons in Bootstrap 3

问题描述

我想在Bootstrap 3中连续有3个按钮，但是当它更改为xs网格时，垂直堆叠它们.我想在按钮之间引入一些间距(边距)-但仅当按钮垂直堆叠时才行.我可以在LESS中做到这一点吗?

I want to have 3 buttons across a row in Bootstrap 3, but when it changes to the xs grid, stack them vertically. I'd like to introduce some spacing (margin) between the buttons - but only when the buttons are stacked vertically. Can I do this in LESS?

          <div class="row">
            <div class="col-sm-4 btn-vert-block">
              <span>
                <button type="button" class="btn btn-primary btn-block">Go Back</button>
              </span>
            </div>
            <div class="col-sm-4 btn-vert-block">
              <span>
                <button type="button" class="btn btn-primary btn-block center-block">Preview</button>
              </span>
            </div>
            <div class="col-sm-4 btn-vert-block">
              <span class="">
                <button type="button" class="btn btn-success pull-right btn-block">Go Next</button>
              </span>
            </div>
          </div>

推荐答案

不需要LESS.

您可以使用以下代码将边距应用于宽度小于767像素(或其他任意宽度)的.btn-vert-block:

You can use this code, for applying margins to .btn-vert-block below 767px width (or any other):

@media (max-width: 767px) {
    .btn-vert-block + .btn-vert-block {
        margin-top: 10px;    
    }    
}

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