{% endhighlight %}
The `-Pre` is required until Bootstrap v4 has a stable release.
-
-{% comment %}
-## Custom builds
-
-Need only a part of Bootstrap's CSS or JS? Use one of the custom builds to snag just what you need.
-
-<div class="row">
- <div class="col-sm-4">
- <h3>Reboot</h3>
- <p>Includes variables/mixins, Normalize, and Reboot. No JavaScript.</p>
- <a class="btn btn-bs btn-outline" href="#">Download</a>
- </div>
- <div class="col-sm-4">
- <h3>Grid only</h3>
- <p>Includes variables/mixins and our grid system. No JavaScript.</p>
- <a class="btn btn-bs btn-outline" href="#">Download</a>
- </div>
- <div class="col-sm-4">
- <h3>Flexbox</h3>
- <p>All of Bootstrap with flexbox enabled and <strong>lower browser support</strong>.</p>
- <a class="btn btn-bs btn-outline" href="#">Download</a>
- </div>
-</div>
-{% endcomment %}