JSFiddle - React, Tailwind, and code Playground

HTML

<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css">
<form id="store-form" class="user-form">
    <div class="row">
        <div class="col-sm-6">
            <fieldset id="store-form-store-fields">
                <label>Store Nickname</label>
                <input id="store-nickname-field" type="text" name="nickname" required class="form-control" />
            </fieldset>
        </div>
        <fieldset id="store-form-location-fields">
            <div class="col-sm-12">
                <label>Store Address</label>
                <input id="store-street-field" type="text" name="street" required class="form-control" />
            </div>
            <div class="clearfix visible-md-block"></div>
            <div class="clearfix visible-sm-block"></div>
            <div class="row">
                <div class="col-md-12">
                    <div class="col-sm-12 col-sm-pull-12 col-sm-pull-12">
                        <label>City</label>
                        <input id="store-city-field" type="text" name="city" required class="form-control" />
                    </div>
                    <div class="clearfix visible-md-block"></div>
                    <div class="clearfix visible-sm-block"></div>
                    <div class="col-sm-6 col-sm-pull-12 col-sm-pull-12">
                        <label>State</label>
                        <select id="store-state-field" name="state_id" required class="form-control">
                            <option>- Select a State -</option>
                            <option value="MA">Massachusetts</option>
                            <option value="CA">California</option>
                        </select>
                    </div>
                    <div class="col-sm-6 col-sm-pull-12 col-sm-pull-12">
                        <label>Zip Code</label>
                        <input id="store-zipcode-field" type="text" name="zipcode" required class="form-control" />
      ...