sitename stack text editing

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Howdy- It's my understanding that the width of the text field in the sitename stack is a percentage of the page width, because of the little nav area block at the top right.

I have found that the text size is also limited by the default settings in any of the text editors. I found this out when I tried to paste a text from word, and it defaulted to the largest (I forget, 36pt?). If I want to make the text B R O A D, I can adjust the page width, which I've done, but I don't want to go over 1000px because of other viewers browser limitations...

1) Can I move that little widget or whatever, to some other area, such as horizontal across the site header area?
2) Can I override the font size limitations or do I have to make a logo- in either case I have to move the widget..

Many thanks for your help

Eulalia