ids theme: restore logo right inset, move logo slightly up

Change-Id: If4440654f7d1e3292aa008cd1f0454bf00539364
diff --git a/inst/reveal.js-5.2.1/dist/theme/ids.css b/inst/reveal.js-5.2.1/dist/theme/ids.css
index f2237a4..b2c3e97 100644
--- a/inst/reveal.js-5.2.1/dist/theme/ids.css
+++ b/inst/reveal.js-5.2.1/dist/theme/ids.css
@@ -432,7 +432,7 @@
 .reveal .slides {
   background-image: url("https://corpora.ids-mannheim.de/slides/reveal.js.ids/images/IDS-Logo-2019.svg");
   background-repeat: no-repeat;
-  background-position: top 10px right 8px;
+  background-position: top 6px right 8px;
   background-size: calc(var(--slide-height) * 0.25) auto;
 }