diff --git a/scss/chat.scss b/scss/chat.scss
index 9a7b3d2..21126a0 100644
--- a/scss/chat.scss
+++ b/scss/chat.scss
@@ -1,11 +1,15 @@
 .full-page-chat.full-page-chat-sidebar-enabled {
   border-top-left-radius: var(--d-border-radius-large);
   box-shadow: 0px 0px 1px 2px #e2e8f8, 0px 0px 24px 4px #e2e8f8;
-  z-index: 9999;
   border: none;
 }
 
+.has-full-page-chat .d-header {
+  background-color: transparent;
+}
+
 .c-navbar-container {
   border-top-left-radius: var(--d-border-radius-large);
   padding: 0 1.5rem;
+  background-color: var(--d-content-background);
 }