1 files changed, 21 insertions, 0 deletions
diff --git a/examples/device/webusb_serial/website/style.css b/examples/device/webusb_serial/website/style.css
index 9530d3d55..3af2668e0 100644
--- a/examples/device/webusb_serial/website/style.css
+++ b/examples/device/webusb_serial/website/style.css
@@ -270,3 +270,24 @@ body.dark-mode .send-mode-command {
   background-color: #555;
   color: #f5f5f5;
 }
+
+body.dark-mode select {
+  background-color: #3c3c3c;
+  color: #f0f0f0;
+  border: 2px solid #555;
+}
+
+body.dark-mode select:focus {
+  background-color: #2a2d2e;
+  border-color: #0078d7;
+  outline: none;
+}
+
+body.dark-mode option {
+  background-color: #3c3c3c;
+  color: #f0f0f0;
+}
+
+body.dark-mode .scrollbox {
+  scrollbar-color: #555 #2e2e2e;
+}