How to close a panel using data-dismiss property in bootstrap

To close the panels using data-dismiss property, we have to use data-dismiss="alert".

<h3>closing panels</h3>
    <div class="container">
        <div class="row">
            <div class="col-xs-3">
                <div class="panel panel-success" id="close1">
                    <div class="panel-heading">
                        SN ITFunda
                        <button type="button" class="close" data-target="#close1" data-dismiss="alert">
                            <span aria-hidden="true">&times;</span>
                        </button>
                    </div>
                    <div class="panel-body">
                        TechFunda
                    </div>
                    <div style="background-color:pink;color:white;" class="panel-footer">
                        ITFunda, DotNetFunda
                    </div>
                </div>
            </div>
        </div>
    </div>