Minimal Permissive HTML5 & CSS needed to render a "flexi-flux" webapp
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8">
<meta name="apple-mobile-web-app-capable" content="yes">
<meta name="apple-mobile-web-app-title" content="flexi-flux">
<meta name="apple-mobile-web-app-status-bar-style" content="black">
<meta name="mobile-web-app-capable" content="yes">
<meta name="HandheldFriendly" content="true">
<meta name="MobileOptimized" content="320">
<meta name="format-detection" content="telephone=no">
<meta name="google" content="notranslate">
<meta name="Description" content="From unlikely friends to lovers for life!" />
<meta name="Author" content="theradio fm" />
<meta name="Copyright" content="Unlicence" />
<meta name="Keywords" content="Audio, Music, Video, Playlist, Streaming, Online, Best, Popular, Deezer, Spotify, YouTubeMusic, YouTube, Playlist, Free, PWA, Apple, Android, iOS, Windows, Podcast, Vibescout, Event, Social" />
<meta name="Subject" content="Music Love Quest" />
<meta property="og:url" content="https://theradio.fm" />
<meta property="og:type" content="website" />
<meta property="og:title" content="Music Love Quest" />
<meta property="og:description" content="From unlikely friends to lovers for life!" />
<meta property="og:image" content="https://theradio.fm/icons/apple-touch-icon-precomposed.png" />
<meta property="og:site_name" content="theradio fm" /h>
<meta name="viewport" content="width=device-width, height=device-height, viewport-fit=cover, minimum-scale=1.0, maximum-scale=1.0, initial-scale=1.0, user-scalable=no">
<meta name="theme-color" content="black">
<style>
html, body, iframe {
-webkit-text-size-adjust: 100%;
margin: 0;
padding: 0;
height: 100%;
}
iframe {
display: block;
width: 100%;
border: none;
}
</style>
</head>
<body>
<iframe src="https://theradio.fm" referrerpolicy="no-referrer" allow="fullscreen; payment; geolocation *; microphone *; camera *; midi *; encrypted-media *;" sandbox="allow-same-origin allow-pointer-lock allow-forms allow-scripts allow-modals allow-popups allow-popups-to-escape-sandbox allow-presentation allow-top-navigation allow-orientation-lock allow-storage-access-by-user-activation" loading="eager" scrolling="no" frameborder="0" allowtransparency="true" allowfullscreen></iframe>
</body>
</html>edited using markable.in