Bootstrap: Button Groups

HTML

<!-- Created by Ситникова Варвара -->

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
        <title>Button groups</title>
    </head>
    <body>
        <div class="container">
            <br />
            <div class="btn-group">
                <button class="btn btn-default">Normal</button>
                <button class="btn btn-primary">Style</button>
                <button class="btn btn-success">.</button>
            </div>
            <br />
            <br />
            <div class="btn-group-vertical">
                <button class="btn btn-warning">Btn</button>
                <button class="btn btn-danger">Group</button>
                <button class="btn btn-info">Vertical</button>
            </div>
            <br/>
            <br />
            <div class="btn-group btn-group-xs">
                <button class="btn btn-warning">Btn</button>
                <button class="btn btn-danger">Group</button>
                <button class="btn btn-primary">Xs</button>
            </div>
            <br />
            <br />
            <div class="btn-group btn-group-ms">
                <button class="btn btn-success">Btn</button>
                <button class="btn btn-default">Group</button>
                <button class="btn btn-warning">Ms</button>
            </div>
            <br />
            <br />
            <div class="btn-group btn-group-lg">
                <button class="btn btn-danger">Btn</button>
                <button class="btn btn-primary">Group</button>
                <button class="btn btn-default">Lg</button>
            </div>
            <br />
            <br />
            <div class="btn-group btn-group-justified">
                <button class="btn btn-info">Btn</button>
                <button class="btn btn-danger">Group</button>
                <button class="btn btn-watning">Justified</button>
            </div>
        </div>
    </body>
</html>

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