How to css this little button next to <select> element? [duplicate]

T开发者_运维知识库his question already has answers here: How do I style a <select> dropdown with only CSS? (25 answers) Closed 9 years ago.

i wanna to change style (background, etc) of the little button with arrow that is on left side of < select > tag. Anyone know if it is possible and how to do that?

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I'm not aware of any good cross-browser methods to style a select box with just css, but I have had success in the past with this using jquery ui

http://filamentgroup.com/lab/jquery_ui_selectmenu_an_aria_accessible_plugin_for_styling_a_html_select/