Dreamweaver's design view is not a terribly accurate display. Unfortunately, there is not much that can be done if the Dreamweaver design window is not displaying the design correctly.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.