fix station styling

static/index.html

@@ -90,9 +90,10 @@
       }
 
       .station {
-        background-color: var(--color);
-        width: 10px;
-        height: 10px;
+        background-color: white;
+        outline: 2px solid var(--color);
+        width: 5px;
+        height: 5px;
         border-radius: 999px;
       }
     </style>