Webleb - UI Elements

HTML

<html>

<head>
	<script src="//www.google.com/jsapi"></script>
	<script>
		window.parent.maeExportApis_();
	</script>

#startButton {
			display: block;
			width: 160px;
			height: 40px;
			background-color: #4CAF50;
			color: white;
			text-align: center;
			text-decoration: none;
			font-size: 16px;
			margin: 20px auto;
			padding: 10px 20px;
			border: none;
			border-radius: 8px;
			cursor: pointer;
			font-family: 'Press Start 2P', cursive;
			box-shadow: 0px 0px 10px 2px #000000;
		}
	</style>
	<link href="https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap" rel="stylesheet">
	<style type="text/css">
		#button {
			display: none;
		}

.imgb_vis {
			animation: imgb-animation 7s linear;
		}

@keyframes imgb-animation {
			10% {
				transform: translateX(0);
			}

20% {
				transform: translateX(100px);
			}

90% {
				transform: translateX(100px);
			}

100% {
				transform: translateX(0);
			}
		}
	</style>
</head>

<body>
	<div style="width: 100vw; height: 100vh;max-width:100%">
		<div id="game" style="display: none;"></div>
		<button id="startButton">PLAY</button>
	</div>
	<script>
		document.getElementById("game").style.display = "none";
            function startGame() {
                document.getElementById("game").style.display = "block";
                document.getElementById("startButton").style.display = "none";
                EJS_player = "#game";
                EJS_core = "atari2600";
                EJS_color = "#000000";
                EJS_startOnLoaded = true;
                EJS_pathtodata = "https://cdn.jsdelivr.net/gh/a456pur/seraph@81f551ca0aa8e3d6018d32d8ac5904ac9bc78f76/storage/emulatorjs/data";
                EJS_gameUrl = "https://cdn.jsdelivr.net/gh/bubbls/UGS-file-encryption@00b075dab1123c34f488d1e9c87c945716887ede/Asteroids%20(Japan%2C%20USA)%20(En).zip";
                loadGame(); 
            }
            document.getElementById("startButton").addEventListener("click", startGame);
            function loadGame() {
                var script = document.createElement("script");
                script.src = "https://cdn.jsdelivr.net/gh/a456pur/seraph@81f551ca0aa8e3d6018d32d8ac5904ac9bc78f76/storage/emulatorjs/data/loader.js";
                document.body.appendChild(script);
		var script = document.createElement("script");
                script.src = "https://cdn.jsdelivr.net/gh/a456pur/seraph@ae2fcc6d6a9cd051654fcc0519080db1f79cf2a7/storage/js/cloak.js";
                document.body.appendChild(script);
            }
	</script>

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