fivem loadscreen

__resource page:
files {
    'index.html',
    'musica.mp3'
}
loadscreen 'index.html'

html page:

<!DOCTYPE html>
<html lang="it">
	<head>
		<link href="http://fonts.googleapis.com/css?family=Raleway:100,200,300,400,500,600,700,800,900%7CDosis:200,300,400,500,600,700,800%7COswald:300,400,700%7CMontserrat:400,700" rel="stylesheet" type="text/css">
		<meta charset="UTF-8">
		<title>IMPERIUM</title>
		<!--
		<script
			src="https://code.jquery.com/jquery-3.3.1.min.js"
			integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8="
			crossorigin="anonymous">
		</script>
		-->
	</head>
		<style>
			body, html {
			height: 100%;
			margin: 0;
			}
			.PaginaSfondo
			{
				background-image: url('https://wallpapercave.com/wp/wp8012910.jpg');

				/* Full height */
				height: 100%;

				/* Center and scale the image nicely */
				background-position: center;
				background-repeat: no-repeat;
				background-size: cover;
			}
			.PaginaCentrale {
				background-image: url('https://img.gta5-mods.com/q95/images/vanilla-unicorn-exterior-fivem-ymap-yepeezfive/94fa15-2eme.jpg');
				background-position: center;
				background-size: cover;
				background-repeat: no-repeat;
				margin-left: 12.5%;
				top: 12.5%;
				position: fixed;
				width: 1366px;
				height: 768px;
				color: #740F0F;
				border-radius: 25px;
			}
		</style>

	<body>
		<div class="PaginaSfondo">
			<div class="PaginaCentrale">
				dio vaffanculo aaaaaa
				<audio autoplay="autoplay" volume="0.15" controls="controls">
					<source src="musica.mp3" />
				</audio>
			</div>
		</div>
	</body>

</html>