I want to look at three key characteristics of CSS that set it apart from conventional programming languages: it’s resilient; it’s declarative; and it’s contextual. Understanding these aspects of the language, I think, is key to becoming proficient in CSS.

Today I’m going to be tackling the biggest misconception of all: that utilizing the IE implementation of CSS grid is extremely difficult. You can easily use CSS grid in IE right now without having to give it any sort of crappy fallback layout. It really isn't that hard.

CSS Grid Level 2 is already in the process of being specified, and the main feature of this level of the spec is to bring us subgrid. In this article, Rachel Andrew explains the new features.

It’s quite possible to use CSS positioning on grid items, just as you would with most other elements. There are one or two quirks, however, so let’s take a quick look to make sure you avoid the pitfalls.

The high contrast feature within Windows is designed to help people with contrast sensitivity issues. The colors are propagated from Windows High Contrast into the site's style to ensure that the site is offering a true high-contrast experience similar to other applications on Windows.