Yes. You are completely free to modify InstantKB.NET to fit within any existing design. InstantKB.NET has been developed with customisation in-mind. A central ASP.NET 2.0 masterpage is provided allowing you to quickly wrap any existing design around your knowledgebase. Our fluid CSS based layout ensures moving elements around or changing styles can be acheived by modifying a few simple CSS files. We are happy to guide customers in the right direction whilst customizing InstantKB.NET.