diff --git a/dev/scss/header/containermenu.scss b/dev/scss/header/containermenu.scss
new file mode 100644
index 0000000..973bf6b
--- /dev/null
+++ b/dev/scss/header/containermenu.scss
@@ -0,0 +1,5 @@
+ul.containermenu {
+  > ul.container:not(.visible) {
+    display: none;
+  }
+}
diff --git a/dev/scss/header/header.scss b/dev/scss/header/header.scss
index 78fa532..76c583e 100644
--- a/dev/scss/header/header.scss
+++ b/dev/scss/header/header.scss
@@ -1,6 +1,7 @@
 @charset "utf-8";
 @import "../util";
 @import "hint";          // Hint specific menu list
+@import "containermenu"; // Container menu specific
 @import "searchbar";     // The search bar
 @import "vc";            // Virtual corpus builder
 @import "statistics";    // Statistics for VCs
@@ -141,4 +142,4 @@
   &:last-child {
     border-top-right-radius: 0;
   }
-}
\ No newline at end of file
+}