Untitled

<!DOCTYPE html>
<html>
  <head>
    <link href="assets/css/bootstrap.css" rel="stylesheet">
    <link href="assets/css/tuto.css" rel="stylesheet">
  </head>
  <body>
    <div class="container">
      <div class="row">
        <div class="col-lg-4">4 colonnes</div>
        <div class="col-lg-8">8 colonnes</div>
      </div>
    </div>
  </body>
</html>