I have a scrolling dropdown, and when someone opens the dropdown, I want the currently selected element to show in the center (if possible, aka it's low/high enough), instead of the browser default - in Firefox, the dropdown view shows the selected element at the end.
Unfortunately, you can't do that with your default select
options.
This question is already answered here.
Anyway, you could build a custom select
or could use plugin for custom select
and then position the dropdown: