The same technique can be used to render a Koch snowflake – seen on this page. Yes, it’s all HTML and CSS, without JavaScript. Why? Because he can, and that’s good enough for us.

jsFiddle is the perfect solution; it provides a custom environment (based on user selections) to test (or fiddle with) your JavaScript, HTML, and CSS code ... with a page divided into various ...

The vulnerability can be exploited by loading an HTML page that uses specially crafted CSS code. The CSS code isn't very complex and tries to apply a CSS effect known as backdrop-filter to a ...