diff --git a/TangerineUI-purple.css b/TangerineUI-purple.css
index 1fb98ae..fdad372 100644
--- a/TangerineUI-purple.css
+++ b/TangerineUI-purple.css
@@ -1342,6 +1342,7 @@ body.layout-single-column  {
     border-top: 1px solid var(--color-lines);
     border-bottom: 1px solid var(--color-lines);
     padding: 12px;
+    margin-top: -1px;
 }
 
 /* 📊 Polls */
diff --git a/TangerineUI.css b/TangerineUI.css
index 6360dae..ef819b9 100644
--- a/TangerineUI.css
+++ b/TangerineUI.css
@@ -1342,6 +1342,7 @@ body.layout-single-column  {
     border-top: 1px solid var(--color-lines);
     border-bottom: 1px solid var(--color-lines);
     padding: 12px;
+    margin-top: -1px;
 }
 
 /* 📊 Polls */
diff --git a/mastodon/app/javascript/styles/tangerineui-purple/layout-single-column.scss b/mastodon/app/javascript/styles/tangerineui-purple/layout-single-column.scss
index 1fb98ae..fdad372 100644
--- a/mastodon/app/javascript/styles/tangerineui-purple/layout-single-column.scss
+++ b/mastodon/app/javascript/styles/tangerineui-purple/layout-single-column.scss
@@ -1342,6 +1342,7 @@ body.layout-single-column  {
     border-top: 1px solid var(--color-lines);
     border-bottom: 1px solid var(--color-lines);
     padding: 12px;
+    margin-top: -1px;
 }
 
 /* 📊 Polls */
diff --git a/mastodon/app/javascript/styles/tangerineui/layout-single-column.scss b/mastodon/app/javascript/styles/tangerineui/layout-single-column.scss
index 6360dae..ef819b9 100644
--- a/mastodon/app/javascript/styles/tangerineui/layout-single-column.scss
+++ b/mastodon/app/javascript/styles/tangerineui/layout-single-column.scss
@@ -1342,6 +1342,7 @@ body.layout-single-column  {
     border-top: 1px solid var(--color-lines);
     border-bottom: 1px solid var(--color-lines);
     padding: 12px;
+    margin-top: -1px;
 }
 
 /* 📊 Polls */