CSS Grid level 2 has gone live on Firefox nightly, providing access to the new subgrid property. ... For example, instead of defining the following grid-template-rows: ...

Cascading Style Sheets (CSS) first dropped in 1996, and it remains an essential, evolving part of the web development stack. Like other living languages, CSS is constantly introducing new features ...

Even if you’re an expert web designer, there are plenty of obscure CSS properties you’re unlikely ever to use. In fact, with hundreds of supported properties, there are parts of CSS you’ll probably ...

For example, a grid container's child elements could position themselves so they actually overlap and layer, similar to CSS positioned elements. You can learn more about this on the Mozilla ...