Cannot move the slogan of the header

Hi everybody, because i create a new theme with Artisteer i’m working on the header of my site making some changes, the problem is that i cannot move the slogan in the CSS, please take a look to understand what i want:

https://greenroof.es

as you can see i change the blog’s name for my logo with some CSS tricks, but i don’t find how to move the blog’s slogan, something that i made without problems in the last theme i had, i use FIREBUG in firefox and i just cannot find how to move it, any ideas??