<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Embedded MRBS with Header</title>
<style>
body {
margin: 0;
padding: 0;
font-family: sans-serif;
height: 100vh;
display: flex;
flex-direction: column;
}
header {
height: 120px;
background-color: #2c3e50;
color: white;
display: flex;
align-items: center;
justify-content: center;
font-size: 1.5em;
font-weight: bold;
}
iframe {
flex: 1;
width: 100%;
border: none;
}
</style>
</head>
<body>
<header>
Maker