fix: fixed TimeZone on mobile screen, change background color & add grain in both clock

Author: unknown

public/datasets/worldcities.xlsx

@@ -24,8 +24,11 @@
   user-select: none;
   font-family: 'LED Dot-Matrix', sans-serif;
   color: white;
-  background: radial-gradient(#252063, #431c64);
-  background: linear-gradient(160deg, #431c64, #252063);
+  /* background: radial-gradient(#252063, #431c64); */
+  background-image: url('../images/night-sky.png');
+  background: linear-gradient(160deg, #8e2de2 0%, #309df4fe 100%);
+  background: linear-gradient(160deg, #8e2de2, #4a00e0);
+  background: linear-gradient(160deg, #662a98, #352f8e);
 }
 
 .scene-container {