diff --git a/TangerineUI-cherry.css b/TangerineUI-cherry.css
index 2add4dc..93cb1ac 100644
--- a/TangerineUI-cherry.css
+++ b/TangerineUI-cherry.css
@@ -3511,6 +3511,9 @@ div[tabindex="-1"] + div[tabindex="-1"] > .status__wrapper > .status-reply.statu
     background-color: var(--color-content-secondary-bg);
     border-left: 1px solid var(--color-lines);
     border-right: 1px solid var(--color-lines);
+    border-bottom: 0;
+}
+.app-body .column-header__collapsible:is(:not(.collapsed), .animating) {
     border-bottom: 1px solid var(--color-lines);
 }
 .app-body .column-header__collapsible::-webkit-scrollbar-track {
diff --git a/TangerineUI-purple.css b/TangerineUI-purple.css
index 93d1612..3ad421b 100644
--- a/TangerineUI-purple.css
+++ b/TangerineUI-purple.css
@@ -3511,6 +3511,9 @@ div[tabindex="-1"] + div[tabindex="-1"] > .status__wrapper > .status-reply.statu
     background-color: var(--color-content-secondary-bg);
     border-left: 1px solid var(--color-lines);
     border-right: 1px solid var(--color-lines);
+    border-bottom: 0;
+}
+.app-body .column-header__collapsible:is(:not(.collapsed), .animating) {
     border-bottom: 1px solid var(--color-lines);
 }
 .app-body .column-header__collapsible::-webkit-scrollbar-track {
diff --git a/TangerineUI.css b/TangerineUI.css
index 637b663..8c1cb46 100644
--- a/TangerineUI.css
+++ b/TangerineUI.css
@@ -3511,6 +3511,9 @@ div[tabindex="-1"] + div[tabindex="-1"] > .status__wrapper > .status-reply.statu
     background-color: var(--color-content-secondary-bg);
     border-left: 1px solid var(--color-lines);
     border-right: 1px solid var(--color-lines);
+    border-bottom: 0;
+}
+.app-body .column-header__collapsible:is(:not(.collapsed), .animating) {
     border-bottom: 1px solid var(--color-lines);
 }
 .app-body .column-header__collapsible::-webkit-scrollbar-track {