message: change bg color to that of the room list
diff: @@ -294,7 +294,7 @@ $room-warning-bg-color: $yellow-background;
  $memberstatus-placeholder-color: $roomtile-name-color;
  $authpage-bg-color: #2e3649;
  -$authpage-modal-bg-color: rgba(255, 255, 255, 0.59);
  +$authpage-modal-bg-color: rgba(245, 245, 245, 0.90);
  $authpage-body-bg-color: #ffffff;
  $authpage-focus-bg-color: #dddddd;
  $authpage-lang-color: #4e5054;
  