Fixed z-index definitions to avoid hiding of tree menus

Change-Id: I71044f36ac9c195341dd38735cd8a4c45ee09a36
diff --git a/dev/scss/main/logos.scss b/dev/scss/main/logos.scss
index 0e68a4a..0866f53 100644
--- a/dev/scss/main/logos.scss
+++ b/dev/scss/main/logos.scss
@@ -93,7 +93,7 @@
   top: 0;
   width: 7.8em;
   height: 2.4em;
-  z-index: 7200;
+  z-index: 105;
   background: {
     size: 72%;
     image: url('#{$img-path}/korap-logo-kalamar.svg');