options.html

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8" />
	</head>

	<body>
		<div class="panel-formElements-item browser-style">
			<input id="input-open-background" type="checkbox">
			<label id="lbl-open-background" for="input-open-background"></label>
		</div>
		
		<div id="msg-translate" class="panel-formElements-item browser-style" style="display: none;">
			<div style="margin-right: 4px;">
				<img src="chrome://browser/skin/identity-icon.svg" />
			</div>
			<p style="font-size: smaller; margin: 0;">Want to translate this extension? Visit the project's page on GitHub and submit a pull request or open an issue.</p>
		</div>

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