Update to the clock.

Now allowing for display of the time in the original timezone as well as
the user selected one.
I've also added a rule to the CSS file to better display the selection
list on mobile screens.

clock.js

@@ -34,5 +34,18 @@ function startTime(){
                                          hour:'2-digit',
                                          minute:'2-digit',
                                          second:'2-digit',});
+  if(original_tz != null){  
+    document.getElementById('time_original').innerHTML = current_time.toLocaleString('en-EN' ,{
+                                           timeZone: original_tz,
+                                           dateStyle:'long',
+                                           hourCycle:'h24',
+                                           weekday:'short',
+                                           month:'short',
+                                           day:'2-digit',
+                                           year:'numeric',
+                                           hour:'2-digit',
+                                           minute:'2-digit',
+                                           second:'2-digit'});
+  }
   document.getElementById('JStz').innerHTML = current_tz;
 }