<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 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>
<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta http-equiv='X-UA-Compatible' content='IE=edge'>
<title>PSD-06t-Aurea Mariza</title>
<meta name='viewport' content='width=device-width, initial-scale=1'>
<link rel='stylesheet' type='text/css' media='screen' href='main.css'>
<script src='main.js'></script>
<script src="script.js"></script>
</head>
<body>
<h1>
<div class="container-fluid">
<h1>Formulário de Cadastro</h1>
<p>Cadastro Empresa</p>
<div>
<form>
<div class="form-group">
<label for="nome_empresa">Nome Empresa:</label>
<input type="text" class="form-control" placeholder="Nome da Empresa" id="empresa_nome" onblur="Empresa">
<label for="endereco">Endereço:</label>
<input type="text" class="form-control" placeholder="Entre com endereço" id="empresa_ender" onblur="Empresa">
<label for="empresa_tel">Telefone Empresa</label>
<input type="text" class="form-control" placeholder="Entre com Telefone" id="empresa_tel" onblur="Empresa">
</div>