User blog comment:Sannse/Important Updates on Wikia’s New Look/@comment-1996889-20100928202713/@comment-4713673-20100929195233

One of the main benefits of fixed width is that it allows improved compatibility with many screen sizes and resolutions and it also means that everyone is designing all aspects of content for the same number of pixels. Designing for fixed width allows everyone to see all the elements of a wiki including customized design and customized content accurately. In Monaco the way these elements are viewed can vary widely from monitor to monitor and fixed width helps resolve that issue.