width of the select1's borders

Submitted by Frédéric Maroé on Mon, 2008-06-02 16:37.

Is that possible to reduce the size of the select1 borders. I tried to adjust the size with css but nothing works.
Regards

Updates

Attachment:

Please take a look at the attachment, it styles the width of the select1 control's border and the 'value' part of the control.