Flotantes en input de tipo number

<!DOCTYPE html>
<html>

<head>
  <link rel="stylesheet" href="style.css">
  <script src="script.js"></script>
</head>

<body>
  <h1>Flotantes en input de tipo number</h1>
  <form>
    <input placeholder="Introduce un flotante :)" required type="number" />
    <br>
    <br>
    <button type="submit">Enviar</button>
  </form>
</body>

</html>

// Code goes here

/* Styles go here */