diff --git a/webinterface/src/main/resources/index.html b/webinterface/src/main/resources/index.html
index 965b394..838b494 100644
--- a/webinterface/src/main/resources/index.html
+++ b/webinterface/src/main/resources/index.html
@@ -4,6 +4,11 @@
     <meta charset="utf-8">
     <title>ASys: Web interface</title>
     <link rel="stylesheet" href="https://bootswatch.com/yeti/bootstrap.min.css">
+    <style>
+        body {
+            background: url('/static/background.png') fixed;
+        }
+    </style>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.1/jquery.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.4.2/react.min.js"></script>
diff --git a/webinterface/src/main/resources/static/background.png b/webinterface/src/main/resources/static/background.png
new file mode 100644
index 0000000..b1345e3
Binary files /dev/null and b/webinterface/src/main/resources/static/background.png differ