How can remove from optgroup label that bold font style?

HTML-CSS
1

http://jsfiddle.net/an3oeb16/

Swedish and german cars?

Thank you!

2

and

optgroup > option
{
    padding-left: 1px;
}

How can set own text indent in pixel? Not really work.

3

There is no way to style option tags because they are rendered by the OS and not your html and css. [Source]

You could make your own option style dropdown menu if you want to avoid this. Here’s an example of this.

It’s annoying, I know.