diff --git a/gui/public/loader.js b/gui/public/loader.js
index 1a86cfc..f9cb200 100644
--- a/gui/public/loader.js
+++ b/gui/public/loader.js
@@ -30,6 +30,9 @@
     '}' +
     '@keyframes wasm-spin {' +
       'to { transform: rotate(360deg); }' +
+    '}' +
+    '#main {' +
+      'background-color: oklch(0.15 0.01 338.64);' +
     '}';
   document.head.appendChild(style);