JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/css/bootstrap.min.css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/3.3.1/js/bootstrap.min.js"></script>
<div class="container-fluid">
    <div class="row">
        <div class="col col-xs-3">
            <div id="small" class="form-group">
                <label class="control-label">normal label</label>
                <input class="form-control"></input>
            </div>
        </div>
        <div class="col col-xs-1">
            <div class="form-group">
                <label class="control-label">example of a huge label</label>
                <input class="form-control"></input>
            </div>
        </div>
    </div>
</div>

CSS

/* This would align the elements */
.row{
  display: flex; /* or inline-flex */
  flex-flow: row nowrap;
  align-items: flex-end;
}