<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="utf-8">
		<meta http-equiv="X-UA-Compatible" content="IE=edge">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<meta name="theme-color" content="#202531">
		<meta name="msapplication-navbutton-color" content="#202531">
		<title>You are offline</title>
		<style>
html {
	background-color: #333b4f;
	color: #e0e0e0;
}

body {
	font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
	margin: 2rem;
}

p {
	margin-block: 1rem;
}

button {
	display: block;
	padding: 1rem 2rem;
	margin: 3rem auto 0;
}
		</style>
	</head>
	<body>
		<h1>You are offline</h1>
		<p>This application requires an Internet connection to run for the first time.</p>
		<p>Press the button below to try reloading:</p>
		<button type="button">Reload</button>

		<script>
document.querySelector('button').addEventListener('click', () => {
	window.location.reload();
});
		</script>
	</body>
</html>


Collaborative Calculation and Data Science

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sagemath

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