Styling drop-down items

JavaScript
1

Hi,

Hope all are well.

I’m facing a problem. How can I style the drop-down items? for example I want tp style them BOLD.

jQuery or Javascript or Using HTML div?

Thanks

2 
<style type='text/css'>
select{ font-weight:bold }
</style>
3

Hi,

THanks for this. Can I style individual items for example: every odd?

Thanks