index.html

<!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">
  <!-- The above 3 meta tags *must* come first in the head; any other head content must come *after* these tags -->
  <title>Bootstrap</title>
  <!-- Bootstrap -->
  <link href="style/lib/bootstrap.css" rel="stylesheet">
  <link href="style/style.css" rel="stylesheet">
</head>
<body>
<div>
  <div class="container">
    <div class="row">
      <div class="col-lg-4 left_block">
        <h3 class="text_center">Навигация</h3>
        <ul id="load_list" class="text_decoration load_list"></ul>
        <hr>
        <div id="loadText"></div>
      </div>
      <div class="col-lg-8">
        <div class="row">
            <div id="loadZone" >

            </div>

          </div>
        </div>
      </div>

    </div>
  </div>


  <!--                                        end-->

  <script src="js/lib/jquery.js"></script>

  <script src="js/lib/bootstrap.js"></script>

  <script src="js/main.js"></script>
</div>
</body>
</html>