Based on the provided text, it is difficult to determine the specific topic or subject of the website. However, some information can be inferred. The website appears to discuss "independent regulators" related to Poole Harbour, specifically the "Poole Harbour Commissioners." There are also mentions of various design elements and styling properties like color codes and margins.
Without further context or additional information from the website's content, it is challenging to provide a comprehensive summary of what the site is about.
