<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>
<!------ Include the above in your HEAD tag ---------->
<div class="container">
<div class="row">
<section>
<form action="">
<h1>Material Design Input with pure CSS</h1>
<div class="input-container">
<input id="name" class="input" type="text" pattern=".+" required />
<label class="label" for="name">Nome</label>
</div>
</form>
</section>
</div>
</div>
<!--I was not the one who developed this input,
below is the original font.-->
<a href="https://mariosouto.com/inputs-materializados-com-css/">Mario Souto</a>