options.html

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<head>
    <link rel="stylesheet" href="options.css">
</head>

<body>
    <div id="container">
        <h1>Configuration</h1>
        <p>Please enter a colour per AWS console URL using the following JSON as a guide. </p>
        <p style="font-size: 0.8em"><strong>Hint: </strong>you can right click the extension button and choose "Options" for more space.</p>
        <pre>{
    "https://your-account-id.eu-west-1.console.aws.amazon.com/": "#ff5313",
    "https://your-account-id.eu-west-1.console.aws.amazon.com/": "#ff9f13",
    "https://your-account-id.eu-west-1.console.aws.amazon.com/": "#6cb60b"
}</pre>
        <form>
            <textarea id="config"></textarea>
            <p id="config-output"></p>
            <p><button id="save">Update Settings</button></p>
        </form>
    </div>

    <script src="options.js"></script>
</body>

</html>