diff --git a/TangerineUI-single-column.css b/TangerineUI-single-column.css
index 6e3ebaf..06fd16e 100644
--- a/TangerineUI-single-column.css
+++ b/TangerineUI-single-column.css
@@ -1811,6 +1811,19 @@ body.layout-single-column  {
     border: 0;
 }
 
+/* List adder dialog */
+.layout-single-column .list-adder,
+.layout-single-column .list-adder__account,
+.layout-single-column .list-adder__lists {
+    background-color: var(--color-content-bg);
+    color: var(--color-content-fg);
+}
+.layout-single-column .list-adder .column-inline-form {
+    border-radius: 0;
+}
+.list-adder .list {
+    border-bottom: 2px solid var(--color-content-secondary-separator);
+}
 
 
 /* ⏺️ Other UI components : buttons, toggles, ...
@@ -2022,7 +2035,6 @@ body.layout-single-column  {
 }
 
 
-
 /* 📄 Meta
    ------- */
 .layout-single-column .link-footer p,