@{
Layout = null;
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>View1</title>
<link href="~/Bootstrap3.3.7/css/bootstrap.min.css" rel="stylesheet" />
<script src="~/jquery3.3.1/jquery-3.3.1.min.js"></script>
<script src="~/Bootstrap3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="btn-group" role="group" aria-label="Basic example">
<button type="button" class="btn btn-default">Left</button>
<button type="button" class="btn btn-default">Middle</button>
<button type="button" class="btn btn-default">Right</button>
</div>
<div class="btn-toolbar" role="toolbar" aria-label="Toolbar with button groups">
<div class="btn-group" role="group" aria-label="First group">
<button type="button" class="btn btn-default">1</button>
<button type="button" class="btn btn-default">2</button>
<button type="button" class="btn btn-default">3</button>
<button type="button" class="btn btn-default">4</button>
</div>
<div class="btn-group" role="group" aria-label="Second group">
<button type="button" class="btn btn-default">5</button>
<button type="button" class="btn btn-default">6</button>
<button type="button" class="btn btn-default">7</button>
</div>
<div class="btn-group" role="group" aria-label="Third group">
<button type="button" class="btn btn-default">8</button>
</div>
</div>
<div class="btn-group" role="group" aria-label="Button group with nested dropdown">
<button type="button" class="btn btn-default">1</button>
<button type="button" class="btn btn-default">2</button>
<div class="btn-group" role="group">
<button id="btnGroupDrop1" type="button" class="btn btn-default dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">
Dropdown
<span class="caret"></span>
</button>
<ul class="dropdown-menu" aria-labelledby="btnGroupDrop1">
<li><a href="#">Dropdown link</a></li>
<li><a href="#">Dropdown link</a></li>
</ul>
</div>
</div>
</body>
</html>