diff --git a/lib/selectors/selectorPlaceholders.scss b/lib/selectors/selectorPlaceholders.scss
index e40f36196..52bfdc103 100644
--- a/lib/selectors/selectorPlaceholders.scss
+++ b/lib/selectors/selectorPlaceholders.scss
@@ -4638,6 +4638,9 @@ pre {
 .container_d1c246 {
   @extend %forumChat !optional;
 }
+.floating_d1c246 {
+  @extend %forumChatFloating !optional;
+}
 .pill_c993da {
   @extend %forumTag !optional;
 }
diff --git a/src/pages/forums.scss b/src/pages/forums.scss
index 178cc1de0..159293cf3 100644
--- a/src/pages/forums.scss
+++ b/src/pages/forums.scss
@@ -208,6 +208,10 @@
 // CHAT
 %forumChat {
   background: transparent;
+  &%forumChatFloating {
+    background-color: hsla(0, 0%, 0%, 0.6);
+    border-color: hsla(0, 0%, 100%, 0.07);
+  }
 }
 %forumChatIcon {
   background: $main-color;