diff --git a/tdx-enhanced.js b/tdx-enhanced.js
index 58ff8b1..ab7a7e3 100644
--- a/tdx-enhanced.js
+++ b/tdx-enhanced.js
@@ -2403,6 +2403,10 @@ button.ms-choice:focus {
     border-color: var(--border-0) !important;
 }
 
+.tdx-lookup-group.input-group {
+    background-color: var(--bg-0) !important;
+}
+
 .input-group:not(:has(.input-group-section)):not(.input-group--no-border) {
     border-color: var(--border-0);
 }
@@ -2560,6 +2564,7 @@ div.select2-container.form-control .select2-choice.select2-default {
 
 div.select2-drop.select2-drop-active, div.select2-drop.select2-drop-above.select2-drop-active {
     box-shadow: 0 1px 3px var(--shadow-1),0 2px 10px var(--shadow-2);
+    background-color: var(--bg-0);
 }
 
 .select2-drop .select2-results .select2-highlighted {