Fixate KorAP logo when menu is active (fixes #133)

Change-Id: Id461b0fcbb4e166336d6831580fd88a6f6e7de72
diff --git a/dev/scss/main/logos.scss b/dev/scss/main/logos.scss
index 47adb78..4b6c26b 100644
--- a/dev/scss/main/logos.scss
+++ b/dev/scss/main/logos.scss
@@ -40,6 +40,11 @@
   }
 }
 
+aside.active ~ header h1 {
+  position: fixed;
+}
+
+
 #overview {
   text-align: center;
   width:      100%;