Moving the underlying map out of the slippy component and handling window resize events.

src/theme/slippy.css

@@ -1,11 +1,9 @@
 .slippy {
-    position: fixed;
-    width: 100%;
-    height: 100%;
+  position: fixed;
+  width: 100%;
+  height: 100%;
 }
 
-.background img {
-    width: 4032px;
-    height: 2268px;
-  }
-  
+.huge {
+  position: fixed;
+}