diff --git a/webclient/public/index.html b/webclient/public/index.html
index 2404bfc..e108b8f 100644
--- a/webclient/public/index.html
+++ b/webclient/public/index.html
@@ -30,7 +30,11 @@
 		-->
 		<title>{{ title }}</title>
 
+		<script>document.documentElement.className = 'js-enabled';</script>
 		<style>
+			.js-enabled #root > * {
+				visibility: hidden;
+			}
 			html {
 				overflow-y: scroll;
 			}
@@ -41,6 +45,18 @@
 	</head>
 
 	<body>
+		<script>
+			(function() {
+				try {
+					var theme = localStorage.getItem('theme');
+					if (theme === 'dark') {
+						document.body.style.backgroundColor = '#1a1a1a';
+					} else if (theme === 'black' || theme === 'red') {
+						document.body.style.backgroundColor = '#000';
+					}
+				} catch (e) {}
+			})();
+		</script>
 		<div id="root">
 			<div class="container menu">
 				<p>
