CSS Lint results for a sample CSS snippet. Visual Studio integration. CssCop brings the CSS Lint functionality to the Visual Studio environment, so you can check your CSS code without leaving the IDE.

Open the directory with Visual Studio Code, and press F5 to launch the Extension Development Host. This will kick off another instance of Visual Studio Code, this one running your prototype extension.

Also in Visual Studio Code 1.66, the built-in CSS extension now ships with a code formatter, ... Java 25 to change Windows file operation behaviors. Jun 16, 2025 2 mins. news.