index.html

<!DOCTYPE html>
<html>

<head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width" />
    <title>My static Space</title>
    <style>
        body {
            margin: 0;
        }
        .space {
            max-width: 100%;
            max-height: 100%;
            width: 100vw;
            height: 100vh;
            overflow: hidden;
        }
        .iframe {
            min-width: 100%;
            min-height: 100%;
        }
    </style>
</head>

<body>
    <div class="space">
        <iframe class="iframe" allowfullscreen="true" frameborder="0" src="https://g-app-center-039285-5602-kd9ngx4.openxlab.space/">
        </iframe>
    </div>
</body>

</html>