.cpdf{position:fixed;top:0;left:0;background-color:rgba(0,0,0,.5);width:100%;height:100%;z-index:99999;display:-ms-flexbox;display:flex;-ms-flex-pack:center;justify-content:center;-ms-flex-align:center;align-items:center}.cpdf .btn{font-size:12px;display:inline-block;line-height:1;white-space:nowrap;cursor:pointer;background:#fff;border:1px solid #bfcbd9;color:#1f2d3d;-webkit-appearance:none;text-align:center;box-sizing:border-box;outline:0;margin:0;padding:8px 10px;border-radius:4px}.cpdf .center{text-align:center;height:100%;overflow:auto;padding-top:20px}.cpdf .center .contor{margin-bottom:10px}