JSFiddle - React, Tailwind, and code Playground

HTML

<div id="filtro"></div>
<div id="mime">
    <iframe style="border:none; overflow:hidden; width:605px; height:250px; float:left;" frameborder="0" scrolling="No" src="http://migre.me/pWQGp"></iframe>
</div>

CSS

div {
    position: absolute;
    left: 0px;
    top: 0px;
    width:605px;
    height:250px;
}

JavaScript

var frameDiv = document.getElementById('mime');
var filterDiv = document.getElementById('filtro');
filterDiv.style.zIndex = 100;
filterDiv.addEventListener('click', function () {
    frameDiv.style.display = 'none';
});

// Mostra a div após 1 minuto
setTimeout(function () {
    frameDiv.style.display = 'block';
}, 60000);