CSS模态框使用方法

<script src="js/bootstrap.min.js?v=3.3.6"></script>
<link href="css/style.min862f.css?v=4.1.0" rel="stylesheet" />

<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<h4 class="modal-title" id="myModalLabel">模态框提示信息</h4>
</div>
<div class="modal-body" runat="server">

<div class="form-group">
<label for="txt_informationlevel" class ="text_tishi">提示信息</label>
<div>
我是模态框
</div>
<div class =" div_explain">如有任何疑问请及时联系管理员</div>
</div>

</div>
<div class="modal-footer">
<a type="button" class="btn btn-default" onclick="javascript:document.getElementById('hdn_Action').value='LogOff';document.getElementById('hdn_Login').value=g_sflag;form1.submit();">关闭</a>
</div>
</div>
</div>
</div>

function OpenModal() {
$("#myModalLabel").text("模态框提示信息");
$('#myModal').modal({ backdrop: 'static', keyboard: false });
}