Copy this code and use it in your web projects.
<iframe width="1100" height="200" allowtransparency="true" frameborder="0"
id="9f302b" scrolling="no"
src="https://bailey.sh/seostudio/demo/standard/embed.php?id=headers&h=0&r=9f302b"></iframe>
<script type="text/javascript">
(function(id) {
var eventMethod = (window.addEventListener ? "addEventListener" : "attachEvent"), lh = -1;
window[eventMethod](eventMethod == "attachEvent" ? "onmessage" : "message", function(e) {
if (e.data.indexOf(id + ':') != 0) return; var h = parseInt(e.data.substring(id.length + 1), 10);
if (lh != h) document.getElementById(id).style.height = h + 'px'; lh = h;
}, false);
})("9f302b");
</script>