Header
Block
Lorem ipsum dolor sit amet, consectetur adipisicing elit. Molestias officiis temporibus quod inventore, minus commodi similique corrupti repellat saepe facere aliquam minima deserunt esse nemo, vel illum optio necessitatibus deleniti.

<div class="row">
    <div class="col-lg-6 col-md-12 col-sm-12 col-xs-12">
        <div class="card">
            <div class="card-header">
                Header
            </div>
            <div class="card-block">
                <div class="card-title">
                    Block
                </div>
                <div class="card-text">
                    ...
                </div>
            </div>
            <div class="card-footer">
                <button class="btn btn-sm btn-link">
                    Action 1
                </button>
                <button class="btn btn-sm btn-link">
                    Action 2
                </button>
                <div class="dropdown top-left open">
                    <button class="dropdown-toggle btn btn-sm btn-link">Dropdown 1</button>
                    <div class="dropdown-menu">
                        <a href="javascript://" class="dropdown-item">Item 1</a>
                        <a href="javascript://" class="dropdown-item">Item 2</a>
                        <a href="javascript://" class="dropdown-item">Item 3</a>
                        <a href="javascript://" class="dropdown-item">Item 4</a>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>