Product Theme - Logo is going beyond the header margin in opera, In firefox and chrome, its perfect!

I was working with product theme and noticed few issues, i will share the one here. Kindly provide the solution as soon as possible,

I have put 645x90 px Logo in header. Its showing perfect in firefox and chrome, but in opera its not showing the same alignment, and going below the menu and navigation bar is overlapping the logo image.

Check it here.