JSFiddle - React, Tailwind, and code Playground

CSS

#pay-rent {
	width: 100%; 
	height: 55em;
	overflow: auto; 

	margin: auto;
	background-color: #FFFFFF;

	border-radius: 5px;
}

JavaScript

var iframe = $('<iframe>', {
	   id:  'pay-rent',
	   }).appendTo('body');


       iframe.load(function(){
        var obj = $('#pageHeaderLogo',iframe.contents());
        console.log(obj);
        obj.attr('src', 'http://www.firstchoicehousing.com/images/logo.png');
    });

iframe.attr({
 src:"http://wemanageproperties.securecafe.com/residentservices/apartmentsforrent/userlogin.asp"
 });