'Change <select> <option> highlight color

I have this:

<select name="idx" id="search-field_0">
    <option value="kw">Keyword</option>
    <option value="su,wrdl">Subject</option>                                        
    <option value="ti">Title</option>        
    <option value="au,wrdl">Author</option>                                                                    
    <option value="pb,wrdl">Publisher</option>
    <option value="pl,wrdl">Publisher location</option>
    <option value="nb">ISBN</option>                                        
    <option value="bc">Barcode</option>
</select>

enter image description here

I want to change its highlight background to green. How will I do this , without converting my tag to any form.Any idea?

csstwitter-bootstrapoverriding


Solution 1:[1]

I'm not sure you can really change this with pure css. this is browser / operating system defined colors. You can do something a little hackier and make a custom dropdown using divs. or maybe you can find some javascript library to handle this..

Solution 2:[2]

I doubt there is something for the option highlight you're specifically asking for.

Turns out there are multiple questions like this all over SO, although here is a good explanation by this one:

Well you cannot change the hover color of select option as it is rendered by Operating System instead of HTML

Sources

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Source: Stack Overflow

Solution Source
Solution 1 hamobi
Solution 2 Community

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