Increase the lenth of the logo

Hi there!
Can you say me please how I can increase the lenth of the logo?
At the moment is 302px x 45px and I need something like 600px x 45 px
Thank you!

Please open file template.css and then find line with code

Code: Select all

h1#gkLogo a.cssLogo

, there you can change width/height values.

Thanks!