The syntax highlighter gets confused about everything following the nested rule. Fortunately, intellisense and hover tooltips still work. It's just the coloring that's broken. You can see above that " ...

Google’s Search Relations team explains how CSS affects SEO, addressing myths about class names, pseudo elements, and page performance. CSS class names have no impact on SEO and aren't read as content ...

Review the codebase, especially files with inline CSS or inconsistent formatting. Identify syntax errors or warning messages shown by linters or build tools. Look for areas with repetitive or tightly ...