Change bg color for nav bar

static/css/base.css

@@ -201,7 +201,7 @@
     #sidebar h1,
     #sidebar div,
     #sidebar p {
-        @apply mx-auto my-4 px-6 py-4 bg-opacity-50 bg-white rounded text-center;
+        @apply mx-auto my-4 px-6 py-4 bg-opacity-75 bg-gray-200 rounded text-center;
     }
     #sidebar h1 {
         @apply w-max bg-opacity-70;