Oh, sorry!
This is the code (without style-css). I hope it will be that what you need:
<!DOCTYPE html>
<html lang="de">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<!-- TemplateBeginEditable name="doctitle" -->
<title>Graphologie - Seitentitel</title>
<!-- TemplateEndEditable -->
<!-- Bootstrap -->
<link href="../css/bootstrap-3.3.7.css" rel="stylesheet" type="text/css">
<link href="../css/grapho_styles.css" rel="stylesheet" type="text/css">
<!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries -->
<!-- WARNING: Respond.js doesn't work if you view the page via file:// -->
<!--[if lt IE 9]>
<script src="https://oss.maxcdn.com/html5shiv/3.7.2/html5shiv.min.js"></script>
<script src="https://oss.maxcdn.com/respond/1.4.2/respond.min.js"></script>
<![endif]-->
<!--The following script tag downloads a font from the Adobe Edge Web Fonts server for use within the web page. We recommend that you do not modify it.-->
<script>var __adobewebfontsappname__="dreamweaver"</script><script src="http://use.edgefonts.net/muli:n3:default.js" type="text/javascript"></script>
</head>
<body>
<div class="container">
<nav class="row">
<nav class="navbar navbar-default" role="navigation">
<div class="container-fluid">
<!--Brand and toggle get grouped for better mobile display-->
<div class="navbar-header">
<button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#defaultNavbar1" aria-expanded="false"><span class="sr-only">Toggle navigation</span><span class="icon-bar"></span><span class="icon-bar"></span><span class="icon-bar"></span></button>
</div><!--end navbar-header-->
<!-- Collect the nav links, forms, and other content for toggling -->
<div class="collapse navbar-collapse" id="defaultNavbar1">
<ul class="nav navbar-nav">
<li class="active"><a href="#">HOME<span class="sr-only">(current)</span></a></li>
<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">KUNDEN<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Link</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">F</a></li>
<li><a href="#">P</a></li>
<li><a href="#">S</a></li>
</ul>
</li>
<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">ANGEBOT<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Link</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">M</a></li>
<li><a href="#">G</a></li>
<li><a href="#">About</a></li>
</ul>
</li>
<li class="dropdown"><a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">GRAPHOLOGIE<span class="caret"></span></a>
<ul class="dropdown-menu">
<li><a href="#">Link</a></li>
<li role="separator" class="divider"></li>
<li><a href="#">B</a></li>
<li><a href="#">W</a></li>
<li><a href="#">M</a></li>
</ul>
</li>
</ul>
<ul class="nav navbar-nav navbar-right">
<li><a href="#">AGB</a></li>
<li><a href="#">KONTAKT</a></li>
</ul>
</div><!--end defaultNavbar1-->
</div><!--end container-fluid-->
</nav><!--end nav186-->
</nav><!--end nav185-->
<header class="row">
<div class="col-sm-2 hidden-xs"><img src="../images/logo_150.jpg" alt="Logo Diamant" width="115" height="115" class="img-responsive"/> </div><!--end logo-->
<div class="title col-sm-5">GRAPHOLOGIE</div><!--end title-->
<div class="col-sm-5 hidden-xs">
<form class="navbar-form navbar-right" role="search">
<div class="form-group">
<input type="text" class="form-control" placeholder="Suchbegriff">
</div>
<button type="submit" class="btn btn-default">Finden</button>
</form>
</div>
</header>
<!-- TemplateBeginEditable name="MainContent" -->
<main>
<div class="row">
<ol class="breadcrumb">
<li><a href="../index.html">Home</a></li>
<li><a href="#">Library</a></li>
<li class="active">Data</li>
</ol>
</div>
<!--end breadcrumbs-->
<div class="row">
<aside class="col-sm-7 left_article"> ASIDE LINKER TEIL </aside>
<aside class="col-sm-5 right_article"> ASIDE RECHTER TEIL </aside>
</div>
<!--end row aside-->
<hr>
<h2 class="text-center">SEITENTITEL</h2>
<hr>
<article class="col-sm-12">
<div class="row text-center"> ERSTES DIV
</div>
<!--end erste row text-center-->
<div class="row text-center"> ZWEITES DIV </div>
<!--end zweite row text-center-->
<hr>
<h2 class="text-center">WEITERE INFORMATIONEN</h2>
<hr>
<div class="row">
<div class="col-md-6">
<div class="media-object-default">
<div class="media">
<div class="media-left"><a href="#"> <img class="media-object" src="../images/100X125.gif" alt="placeholder image"></a> </div>
<div class="media-body">
<h4 class="media-heading"><a href="#">G</a></h4>
<p>Content</p>
</div>
<!--end media-body-->
</div>
<!--end media-->
<div class="media">
<div class="media-left"><a href="#"> <img class="media-object" src="../images/100X125.gif" alt="placeholder image"></a> </div>
<div class="media-body">
<h4 class="media-heading"><a href="#">About</a></h4>
<p>Content</p>
</div>
<!--end media-body-->
</div>
<!--end media-->
</div>
<!--end media-object-default-->
</div>
<div class="col-md-6">
<div class="media-object-default">
<div class="media">
<div class="media-left"><a href="#"> <img class="media-object" src="../images/100X125.gif" alt="placeholder image"></a> </div>
<div class="media-body">
<h4 class="media-heading"><a href="#">FAQ</a></h4>
<p>Content</p>
</div>
<!--end media-body-->
</div>
<!--end media-->
<div class="media">
<div class="media-left"><a href="#"> <img class="media-object" src="../images/100X125.gif" alt="placeholder image"></a> </div>
<div class="media-body">
<h4 class="media-heading"><a href="#">A</a></h4>
<p>Content</p>
</div>
<!--end media-body-->
</div>
<!--end media-->
</div>
<!--end media-object-default-->
</div>
</div>
<!--end row featured products-->
<hr>
</article>
<aside class="well col-sm-12">
<div class="row">
<div class="col-xs-12 col-md-7 col-lg-7">
<!--beginn Linkgruppe-->
<div class="row">
<div class="col-sm-4 col-xs-6">
<div>
<ul class="list-unstyled">
<li> <a>U</a></li>
<li> <a>P</a></li>
<li> <a>S</a></li>
<li> <a> </a></li>
<li> <a>G</a></li>
</ul>
</div>
</div>
<!--end 1. Gruppe-->
<div class="col-sm-4 col-xs-6">
<div>
<ul class="list-unstyled">
<li> <a>G</a></li>
<li> <a>S</a></li>
<li> <a>J</a></li>
<li> <a> </a></li>
<li> <a>E</a></li>
</ul>
</div>
</div>
<!--end 2. Gruppe-->
<div class="col-sm-4 col-xs-6">
<div>
<ul class="list-unstyled">
<li> <a>G</a></li>
<li> <a>H</a></li>
<li> <a>Ü</a></li>
<li> <a> </a></li>
<li> <a>AGB</a></li>
</ul>
</div>
</div>
<!--end 3. Gruppe-->
</div>
<!--end row Linkgruppe in well-->
</div>
<!--end div Linkgruppe-->
<div class="col-xs-6 col-md-5">
<address>
<strong>Name</strong><br>
<strong></strong><br>
<br>
</address>
<address>
<strong>E-Mail:</strong><br>
</address>
</div>
<!--end address-->
</div>
<!--end row well-->
</aside>
</main>
<!-- TemplateEndEditable -->
<footer class="col-sm-12">
<div class="row">
<div class="col-sm-4">© 2007-2017 <a href="#"></a></div>
<div class="col-sm-4">Aktualisiert am 20.April 2017</div>
<div class="col-sm-4"><a href="#">Impressum</a></div>
</div>
</footer>
</div><!--end container-->
<!-- TemplateBeginEditable name="JavaScripts" -->
<!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
<script src="../js/jquery-1.11.3.min.js"></script>
<!-- Include all compiled plugins (below), or include individual files as needed -->
<!-- <script src="../js/bootstrap.js"></script> -->
<script src="../js/bootstrap-3.3.7.js"></script>
<!-- TemplateEndEditable -->
</body>
</html>
The reason it won't work is because your Template is not properly formed. The <head> tag is not editable.