I’m fiddling with the site theme

So you might see some changes over the next short while.

At the mo, I’m trying to get rid of the ruddy big “S” in the top left corner. I have NO idea what it’s doing there, except I think the theme is called “suburban” something or other. Argh. The css stylesheet is locked down unless I shell out $30 to get access to it.

How to get rid of the "S"?
How to get rid of the “S”?