Disable sidebar via stash

Change-Id: I90a89bba41ebf8cdc7dd5b14bf4762784fb834fa
diff --git a/dev/scss/footer/footer.scss b/dev/scss/footer/footer.scss
index e2ec64e..1a5b312 100644
--- a/dev/scss/footer/footer.scss
+++ b/dev/scss/footer/footer.scss
@@ -93,7 +93,7 @@
   background-image: url('#{$img-path}/ids-institute-for-the-german-language-white.svg');
 }
 
-aside.active ~ footer {
+aside.active:not(.off) ~ footer {
   padding-left: $logo-left-distance;
   transition:  all .3s ease-in-out;
 }