Update app.py

app.py

@@ -146,7 +146,7 @@ body {
     max-width: 850px;
     margin: 30px auto;
     padding: 30px;
-    background: rgba(30, 30, 30, 0.9);
+    background: rgba(50, 50, 50, 0.95); /* Dark gray background instead of pure black */
     border-radius: 15px;
     box-shadow: 0px 10px 40px rgba(0, 0, 0, 0.6);
     color: #ffffff;