Add loading state (initial)

Add rollover actions on train service
Add some additional toc styles

src/lib/components/ui/TrainService.svelte

@@ -30,6 +30,7 @@ import { formatUkTime } from '$lib/utils/time';
         <div class="location-summary">
             {service.dt}    
         </div>
+        <!-- Add arrow icon to signify drop-down -->
     </div>
     </button>
 </div>
@@ -42,6 +43,12 @@ import { formatUkTime } from '$lib/utils/time';
         box-shadow: var(--shadow-std);
         overflow: hidden;
         font-family: 'URW Gothic', sans-serif;
+        transition: 0.2s all;
+        filter: brightness(1.1);
+    }
+
+    .train-service:hover {
+        filter:brightness(1.5);
     }
 
     .summary {