<link href="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css">
<script src="//maxcdn.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.min.js"></script>
<script src="//cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.0.10/css/all.css" integrity="sha384-+d0P83n9kaQMCwj8F4RJB66tzIwOKmrdb46+porD/OvrJ+37WqIM7UoBtwHO6Nlg" crossorigin="anonymous">
<div class="row" id="contatti">
<div class="container mt-5" >
<div class="row" style="height:550px;">
<div class="col-md-6 maps" >
<iframe src="https://www.google.com/maps/embed?pb=!1m14!1m8!1m3!1d11880.492291371422!2d12.4922309!3d41.8902102!3m2!1i1024!2i768!4f13.1!3m3!1m2!1s0x0%3A0x28f1c82e908503c4!2sColosseo!5e0!3m2!1sit!2sit!4v1524815927977" frameborder="0" style="border:0" allowfullscreen></iframe>
</div>
<div class="col-md-6">
<h2 class="text-uppercase mt-3 font-weight-bold text-white">CONTATTACI</h2>
<form action="">
<div class="row">
<div class="col-lg-6">
<div class="form-group">
<input type="text" class="form-control mt-2" placeholder="Nome/Società" required>
</div>
</div>
<div class="col-lg-6">
<div class="form-group">
<input type="text" class="form-control mt-2" placeholder="Oggetto" required>
</div>
</div>
<div class="col-lg-6">
<div class="form-group">
<input type="email" class="form-control mt-2" placeholder="Email" required>
</div>
</div>
<div class="col-lg-6">
<div class="form-group">
<input type="number" class="form-control mt-2" placeholder="Telefono" required>
</div>