样式css：
.open-in-browser{position:fixed;top:0;left:0;right:0;bottom:0;width:100%;height:100%;background-color:rgba(0,0,0,.5);background-repeat:no-repeat;background-position:top right;background-size:contain;z-index:9999;display:none;}.open-in-browser{position:fixed;top:0;
