General clean up of the new AE Sponsorships app. Making it portable too.

src/app.css

@@ -35,7 +35,7 @@ body {
     /* Display as flex does not seem to work well here. */
 }
 
-body>.svelte_target {
+.svelte_target.ae_svelte_app {
 
     box-sizing: border-box;
     /* box-sizing: content-box; */
@@ -67,7 +67,7 @@ body>.svelte_target {
 
 /* Use this to fix the scrolling. This is mostly useful for wide tables. */
 /* This must be applied to the parent of the table. */
-body>.svelte_target .svelte_component {
+.svelte_target.ae_svelte_app .svelte_component {
     overflow: scroll;
 }