JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="http://netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<script src="http://netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<div class="container">
<div class="row row-5-gutter">
                <div class="col-xs-6 col-sm-3 col-5-gutter">
                    <input type="text" class="form-control" placeholder="Name">
                </div>
                <div class="col-xs-6 col-sm-3 col-5-gutter">
                    <input type="text" class="form-control" placeholder="Vendor">
                </div>
                <div class="col-xs-6 col-sm-2 col-5-gutter">
                    <div class="input-group">
                        <span class="input-group-addon">$</span>
                        <input type="number" class="form-control" placeholder="Unit Price">
                    </div>
                </div>
                <div class="col-xs-6 col-sm-1 col-5-gutter">
                    <select class="form-control">
                        <option>case</option>
                        <option>doz.</option>
                        <option>each</option>
                        <option>gallon</option>
                        <option>lb</option>
                        <option>oz</option>
                    </select>
                </div>
                <div class="col-xs-6 col-sm-1 col-5-gutter">
                    <input type="number" class="form-control" placeholder="Pack" pattern="[0-9]*">
                </div>
                <div class="col-xs-6 col-sm-2 col-5-gutter">
                    <div class="input-group">
                        <span class="input-group-addon">$</span>
                        <input type="number" class="form-control" placeholder="Case Price" disabled>
                    </div>
                </div>
            </div>
                    </div>

CSS

.row-5-gutter{
    margin-left: -5px;
    margin-right: -5px;
}
.col-5-gutter{
    padding-left: 5px;
    padding-right: 5px;
}