<!DOCTYPE html> <html> <head> <style> * { -moz-appearance: none } </style> </head> <body> <div> <select> <option>This is option one</option> <option>This is option two</option> <option>This is option three which is long</option> <option>This is option four</option> </select> </div> <div> <select size="3"> <option>This is option one</option> <option>This is option two</option> <option>This is option three which is long</option> <option>This is option four</option> </select> <div> </body> </html>