diff --git a/modular/collapsing_sidebar/compact-er_support.css b/modular/collapsing_sidebar/compact-er_support.css
index 33cf278..6b0b579 100644
--- a/modular/collapsing_sidebar/compact-er_support.css
+++ b/modular/collapsing_sidebar/compact-er_support.css
@@ -39,9 +39,8 @@ div[class^="sidebar-"]:not(:has(> [class^="side-"])):not(:hover)
 }
 
 div[class^="sidebar-"]:not(:has(> [class^="side-"]))
-  > nav
-  > [class^="scroller-"] {
-  margin-top: 32px;
+  > nav[class^="container-"] {
+  padding-top: 32px;
 }
 
 div[class^="sidebar-"]:not(:has(> [class^="side-"]))
@@ -180,6 +179,8 @@ div[class^="sidebar-"]:not(:has(> [class^="side-"])):not(:hover)
 }
 
 div[class^="sidebar-"]:not(:has(> [class^="side-"])):not(:hover)
-  .channel-typing-indicator {
+  .channel-typing-indicator,
+div[class^="sidebar-"]:not(:has(> [class^="side-"])):not(:hover)
+  [class^="devBanner-"] {
   display: none;
 }
diff --git a/modular/collapsing_sidebar/dynamic.css b/modular/collapsing_sidebar/dynamic.css
index 1d8dcac..8691f37 100644
--- a/modular/collapsing_sidebar/dynamic.css
+++ b/modular/collapsing_sidebar/dynamic.css
@@ -39,9 +39,7 @@
     width: 40px;
   }
 
-  div[class^="sidebar-"]:not(:has(> [class^="side-"]))
-    > nav
-    > [class^="scroller-"] {
+  div[class^="sidebar-"]:not(:has(> [class^="side-"])) > nav {
     margin-top: 48px;
   }
 
@@ -181,7 +179,9 @@
   }
 
   div[class^="sidebar-"]:not(:has(> [class^="side-"])):not(:hover)
-    .channel-typing-indicator {
+    .channel-typing-indicator,
+  div[class^="sidebar-"]:not(:has(> [class^="side-"])):not(:hover)
+    [class^="devBanner-"] {
     display: none;
   }
 }
diff --git a/modular/collapsing_sidebar/dynamic_+_compact-er_support.css b/modular/collapsing_sidebar/dynamic_+_compact-er_support.css
index 1fe5c6f..c46a000 100644
--- a/modular/collapsing_sidebar/dynamic_+_compact-er_support.css
+++ b/modular/collapsing_sidebar/dynamic_+_compact-er_support.css
@@ -39,9 +39,7 @@
     width: 40px;
   }
 
-  div[class^="sidebar-"]:not(:has(> [class^="side-"]))
-    > nav
-    > [class^="scroller-"] {
+  div[class^="sidebar-"]:not(:has(> [class^="side-"])) > nav {
     margin-top: 32px;
   }