Update maintenance.html

Author: pran0x

maintenance.html

@@ -47,7 +47,7 @@
         h1 {
             font-size: 2.8rem;
             margin-bottom: 20px;
-            background: linear-gradient(45deg, #00ff88, #00ccff);
+            background: linear-gradient(45deg, #2563eb, #3b82f6);
             -webkit-background-clip: text;
             -webkit-text-fill-color: transparent;
             background-clip: text;