The annoying thing is, you can’t put an image in the default select from browsers.
So you have two choices :
Make a custom select -> it’s complicated and will break on some machines.
Use emoji flags -> windows do not have an image pack for flag emoji, and chrome didn’t bother implementing their own (Firefox did), so it displays the initials instead.
So whatever you do will not be universally supported, thank you Microsoft.
The annoying thing is, you can’t put an image in the default select from browsers. So you have two choices :
So whatever you do will not be universally supported, thank you Microsoft.