estrutura html + bootstrap

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.3/css/bootstrap.min.css" integrity="sha384-MCw98/SFnGE8fJT3GXwEOngsV7Zt27NXFoaoApmYm81iuXoPkFOJwJ8ERdknLPMO" crossorigin="anonymous">
<link href="https://fonts.googleapis.com/css2?family=Poppins&display=swap" rel="stylesheet">
    <title>Document</title>
</head>
<style>
    body {
    font-family: 'Poppins', sans-serif;
    font-size: 15px;
    }
    </style>
<body>
    <br><br><br>
    <div class="container">

    </div>

</body>
</html>