<link rel="stylesheet" href="libraries/bootstrap.min.css">
<link rel="stylesheet" href="app/style.css">

<div class="row" style="margin-top: 10px">
    <div class="col-lg-4 col-lg-offset-4 col-md-4 col-md-offset-4 col-sm-6 col-sm-offset-3 col-xs-8 col-xs-offset-2">
        <div class="well">
            <form>
                <div class="form-group">
                    <label for="nombre">Nombre:</label>
                    <input type="text" class="form-control" required name="nombre" id="nombre-input" placeholder="Ingrese nombre..."/>
                </div>
                <div class="form-group">
                    <label for="expresion">Expresion:</label>
                    <input type="text" class="form-control" required name="expresion" id="expresion-input" placeholder="Ingrese expresion..."/>
                </div>
                <div class="text-center"><button id="crear-btn" class="btn btn-info" type="submit">CREAR</button></div>
            </form>
        </div>
    </div>
</div>