Fixed this

$(document).ready(function() {
$('<div id="custom-alert" style="padding:10px 20px;" class="a-AlertMessage-icon">   <table> \
    <tr> \
        <td><span aria-hidden="true" class="fa fa-info-circle fa-3x" style="color:teal";></span></td> \
        <td style="padding-left:15px;"> \
            <b>'+summary+'</b><br><br>'+info+'<br><br>'+act+' \
        </td> \
    </tr> \
</table> </div>').appendTo('body');
$('#custom-alert').dialog({
    title: title,
    modal: true,
    width: 600 ,
    height: 320,
    closeText: '',      
    buttons: {
        "OK": function() {
            $(this).dialog('destroy').remove()
          
        }
    }

});