我的模态按钮关闭不起作用

Question

按钮关闭不起作用 <div class="modal fade show " id="exampleModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" style="display: block;left: -6.5%;">    <div class="modal-dialog" role="document" style="margin: 0%;"> <div class="modal-content">     <div class="modal-header">        <button type="button" class="close" data-dismiss="modal" aria-label="Close">           <span aria-hidden="true">&times;</span>        </button>     </div></div>... </div></div>