Based on the provided text, it is difficult to determine what the website is about as it appears to be a mix of HTML code and CSS styling. The text seems to include various styles and properties related to visual effects such as brightness, contrast, grayscale, rotating, skewing, scaling, cubic bezier curves, gradients, and backgrounds. However, without further information or context from the website's content or purpose description, it is not possible to summarize what the site is specifically about.
