diff --git a/static/css/adsb_dashboard.css b/static/css/adsb_dashboard.css
index b196714..41b6515 100644
--- a/static/css/adsb_dashboard.css
+++ b/static/css/adsb_dashboard.css
@@ -1246,7 +1246,7 @@ body {
 
 .control-group select {
     padding: 4px 8px;
-    background: rgba(0, 0, 0, 0.3);
+    background: var(--bg-dark);
     border: 1px solid rgba(74, 158, 255, 0.3);
     border-radius: 4px;
     color: var(--accent-cyan);
diff --git a/static/css/ais_dashboard.css b/static/css/ais_dashboard.css
index 4232caf..2dd5d2f 100644
--- a/static/css/ais_dashboard.css
+++ b/static/css/ais_dashboard.css
@@ -779,7 +779,7 @@ body {
 
 .control-group select {
     padding: 4px 8px;
-    background: rgba(0, 0, 0, 0.3);
+    background: var(--bg-dark);
     border: 1px solid rgba(74, 158, 255, 0.3);
     border-radius: 4px;
     color: var(--accent-cyan);
diff --git a/static/css/modes/aprs.css b/static/css/modes/aprs.css
index 2ef4cc2..9f6b4e1 100644
--- a/static/css/modes/aprs.css
+++ b/static/css/modes/aprs.css
@@ -60,7 +60,7 @@
     gap: 4px;
 }
 .aprs-strip .strip-select {
-    background: rgba(0,0,0,0.3);
+    background: var(--bg-dark);
     border: 1px solid var(--border-color);
     color: var(--text-primary);
     padding: 4px 8px;