virtualsc.org Email Addresses and Contacts - KazanSEO

Based on the provided text, it appears to be a description of CSS classes for customizing buttons on a website. The website likely focuses on providing options to customize button styles and appearances using different background colors, border colors, box shadows, and hover effects. However, without further context or additional information from the website's content, it is difficult to provide a more specific summary of what the site is about.