Bootstrap 3 Template

This is a simple Twitter Bootstrap 3 template. You can fork it to get a ready to use Bootstrap 3 fiddle.

HTML

<script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css">
<div id="accordion">
    <div class="card">
        <div class="card-header" id="header1">
            <h5 class="mb-0">
                <button class="btn btn-link" data-toggle="collapse" data-target="#collapse1" aria-expanded="true" aria-controls="collapse1">
                    Card 1 Button
                </button>
            </h5>
        </div>
        <div id="collapse1" class="collapse in" aria-labelledby="header1" data-parent="#accordion">
            <div class="card-body">
                Card 1 Content
            </div>
        </div>
    </div>
    
    <div class="card">
        <div class="card-header" id="header2">
            <h5 class="mb-0">
                <button class="btn btn-link collapsed" data-toggle="collapse" data-target="#collapse2" aria-expanded="false" aria-controls="collapse2">
                    Card 2 Button
                </button>
            </h5>
        </div>
        <div id="collapse2" class="collapse" aria-labelledby="header2" data-parent="#accordion">
            <div class="card-body">
                Card 2 Content
            </div>
        </div>
    </div>
</div>

CSS

/* Latest compiled and minified CSS included as External Resource*/

/* Optional theme */
@import url('//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap-theme.min.css');

body {
    margin: 10px;
}

JavaScript

/* Latest compiled and minified JavaScript included as External Resource */