Inconsistent header across pages in tweaked ‘Fresh Editorial’ theme

Hi there,
If anyone can help then I’ll be over the moon!

I’ve modified my Blog name so that it looks pretty much as I want it here: http://www.enlightened-traveler.com but on all my other pages it is showing as a smaller serif font with a different colour scheme.
I’m sure it’s obvious but where do I need to update the code? Just in case it’s helpful, the CSS is here: http://pastebin.com/Yx7Aj5Jg

(All suggestion to improve on a simple text title welcome too: ) )
Thanks!
Kate