dreamweaver/design view/boxes

[goodguy1000]

I am working with dreamweaver 8.0, and I have one css box on my page, below my masthead. When I try to put a second css box on the page, I have to make the positioning fixed, so it will appear directly next to the first box.

However, when the position is fixed for that css box, it completely distorts my dreamweaver design view - it superimposes itself over my masthead and my other box.

Is there anyway that I can keep that box fixed, or able to be seen as it should in browsers and at the same time look the same way in Dreamweaver?