Retina Problems Logo and Menu

Hi again.

Retina displays are cool, but they cause problems with fortuna theme (Logo and Menu).

Pls find some screens here:
- non-retina.png: The way the logo appears on non-retina screens
(https://www.dropbox.com/s/r6s6my7zgc1bqne/non-retina.png)
- retina-13.png: This logo appears on a 13″ Macbook Pro Retina
(https://www.dropbox.com/s/uakoqbf2p57ou4f/retina-13.png)
- retina-27.png: The way it appears on a 27″ iMac Retina
(https://www.dropbox.com/s/5nznpe0ze03kkni/retina-27.png)
- retina-13-full.png: the whole screen on a retina 13″ MB Pro
(https://www.dropbox.com/s/42d1pyl50vrsy36/retina-13-full.png)
- retina-13-menu.png: The menu looks not that perfect on a 13″ MB Pro Retina
(https://www.dropbox.com/s/rc99ya8r71gidda/retina-13-menu.png)

How it should be:
- non-retina-13-full.png:

https://www.dropbox.com/s/e2pkv1t49wt8k3t/non-retina-13-full.png

- non-retina.27-full.png

https://www.dropbox.com/s/r7hjrtprjzybqca/non-retina-27-full.png

Fun fact: When resizing Chrome to 90% on the MB Pro Retina, everything looks great.

How to fix this issues? Thanks!