DEBUG: map-center crosshair

public/index.html

@@ -344,6 +344,11 @@
 
   <input type="file" accept="image/svg+xml" />
 
+  <div class="horz"></div>
+  <div class="horz"></div>
+  <div class="vert"></div>
+  <div class="vert"></div>
+
   <script src="index.js"></script>
   <script src="soldier_record_block.js"></script>
 </body>