diff --git a/resources/views/proposals/show.blade.php b/resources/views/proposals/show.blade.php
index 6ccf47a..c165a1d 100644
--- a/resources/views/proposals/show.blade.php
+++ b/resources/views/proposals/show.blade.php
@@ -281,13 +281,8 @@
             align-items: center;
             justify-content: center;
             pointer-events: none;
-            background: rgba(248, 250, 252, 0.55);
-            backdrop-filter: blur(2px);
             transition: opacity 0.2s ease;
         }
-        .dark .mermaid-canvas-hint {
-            background: rgba(15, 23, 42, 0.55);
-        }
         .mermaid-canvas-hint span {
             font-size: 0.75rem;
             font-weight: 600;