Try adding a non-breaking space after the icon span.
Like this:
<button type="button" class="btn btn-xs btn-danger">
<span class="glyphicon glyphicon-trash"></span>
</button>
Try adding a non-breaking space after the icon span.
Like this:
<button type="button" class="btn btn-xs btn-danger">
<span class="glyphicon glyphicon-trash"></span>
</button>