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">
    <form>
        <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>
    </form>
</div>

CSS

form .row{
  display: -webkit-box;
  display: -moz-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
    
  -ms-flex-direction: row nowrap;
  -webkit-flex-flow: row nowrap;
  flex-flow: row nowrap;
    
  -ms-flex-align: end;
  -webkit-align-items: flex-end;
  align-items: flex-end;
}