The problem
A very common request with custom SharePoint branding is to convert the master page and CSS to a centered, fixed width design. For instructions on how to do this, check out my Creating a centered fixed width design in SharePoint 2010 blog post. A lot of designs like to use “960px” for the width value. Unfortunately this creates a problem for the SharePoint Web Part Adder/Update Panel (the WebPartAdderUpdatePanel control found in the SharePoint master page). Continue reading
