Profile's first name field dropdown is too large in Opera

1. Open Opera
2. Log in to http://qa.jtalks.org/jcommune/
3. Go to your profile
4. Clear the first name field
5. Copy and paste the following text to the first name field:

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.Lorem ipsum

6. Click save changes
7. Clear the first name field
8. Type the letter "L" in the first name field
Expected result: the dropdown field should not be wider than the first name field (see screen shot from firefox attached)
Actual result: dropdown field is wider than a first name field (see screnshot from opera attached)